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Term
Definition
1Lt
First Lieutenant or 1stLt
2Lt
Second Lieutenant or 2ndLt
5 by 5
Good radio reception
8AF
Eighth Air Force
8FC
Eighth Fighter Command
A
Tail Code. After April, 1945, a 12' "A" on vertical stabilizer denoted the 497th BG
A SQ
Tail Code. "A" over hollow square over plane ID # denoted 497th BG prior to April 1945
A.O.C.P.
Aircraft Out of Commission - Parts
A/C
Aircraft, also acft, or Aircraft Commander/Pilot
A/D
Airfield
AA
Anti Aircraft Fire
AAA
Anti-aircraft artillery, flak, Ack-Ack
AAB
Army Air Base
AAC
Army Air Corps
AACS
Army Airways Communications System
AAF
Army Air Forces
AAFBU
Army Air Forces Base Unit
AAFCFTC
Army Air Forces Central Flying Training Command (1943-45), formerly GCACTC
AAFEFTC
Army Air Forces Eastern Flying Training Command (1943-45), formerly SEACTC
AAFld
Army Air Field
AAFPOA
Army Air Forces, Pacific Ocean Area
AAFSAT
Army Air Forces School of Applied Tactics
AAFTC
Army Air Forces Training Command
AAFWFTC
Army Air Forces Western Flying Training Command (1943-45), formerly WCACTC
ABDACOM
American-British-Dutch-Australian Command (SWPA)
ABDUL
USAAF designation for Japanese Nakajima Ki27 (Unofficial code name)
ABG
Air Base Group (1940-42)
ABS
Air Base Squadron
AC
Air Corps
AC
Aircraft Commander on B-29 Crew
ACFT
Aircraft
ACG
Air Commando Group
Ack-Ack
AAA fire, flak
ADAM
USAAF designation for Nakajima SKT-97 (Did not exist)
ADF
Automatic Direction Finder, a radio unit for homing
ADG
Air Depot Group
ADJ
Adjutant
AEAF
Allied Expeditionary Air Force, Europe
AEROSCOPE
XXIBC Target Code for Kushira Air field (Target #2534)
AF
Air Force

 

AFCC
Air Force Combat Command (1941-42)
AFCE
Automatic Flight Control Equipment
AFM
Air Force Manual
AFS
Advanced Flying School
AFSC
Air Force Service Command
AGD
Adjutant Generals Department
AGF
Army Ground Forces
AGO
Office of Adjutant General
AI
Added to Air Force Inventory
AIRDALE
Call Sign for Dumbos Mining Mission 43
AISLE STAND
Stand in the aisle between the Aircraft Commander and Pilot, within reach of both. Controls located on the aisle stand are the control surface lock lever, emergency brake levers, wing flap control switch, propeller feathering switches, emergency alarm sw
Aldis lamp
Signal lamp or Biscuit gun, used from tail of lead aircraft to signal formation
ALF
USAAF designation for Kawanishi E7K
ALSIB
Alaska - Siberia air route
ALT
Altitude
AM
Air Medal
AN/APG-15
Gun-laying radar in tail gun position on B-29B
AN/APN-4
Airborne LORAN Set
AN/APQ-13
Airborne Radar Set
AN/APQG-7
The "Eagle" radar installed on the B-29B's. In WW II installed only on theplanes of the 16th, 331st, 501st and 502nd Bomb groups of the 315th Bomb Wing. System employed a 18 foot airfoil antenna located between the two bomb bays.
AN/ARN-7
Radio Compass
AN-59
1000 lb semi-armor piercing bomb
ANAPHASE
XXIBC Target Code for Oshima Naval Oil Storage
ANC
Army Nurse Corps
AN-M26
53 lb flare
AN-M30
100 lb general purpose bomb
AN-M40
23 lb parachute fragmentation bomb
AN-M41
20 lb fin fragmentation bomb
AN-M50A1
4 lb incendiary bomb
AN-M56
4000 lb light case bomb
AN-M57
250 lb general purpose bomb
AN-M58A1
500 lb semi-armor piercing bomb
AN-M64
500 lb general purpose bomb
AN-M65
1000 lb general purpose bomb
AN-M66
2000 lb general purpose bomb
AN-Mk1
1600 lb armor piercing bomb
AN-Mk29
650 lb depth charge
AN-Mk33
1000 lb armor piercing bomb
AN-Mk47
350 lb depth charge
Anoxia
Medical condition arising from acute oxygen deprivation at altitude

 

AOS
Arrived Overseas
A-P
Medal, Asiatic-Pacific Theater
APH
APHRODITE, project to use war-weary B-17 drones packed with explosives as flying bombs.
APHRODITE
War-weary B-17 drones packed with explosives, also called PROJECT-A, used as flying bombs.
API
Armor Piercing Incendiary ammunition
APO
Army Post Office
ARC
American Red Cross
ARRANGE
XXIBC Target Code for Tokyo Urban Area
ASC
Air Support Command
ASF
Army Service Forces
ASG
Air Service Group (1944-45)
ASN
Army Serial Number
Ass End Charlie
Any aircraft at the rear of a formation
ASV
Air to Surface Vessel, commonly used w/ radar term
ATC
Air Transport Command
ATK
Attack
ATS
Air Techinical Section
ATSC
Air Technical Service Command
AUS
Army of the U.S.
AVC
Aviation Cadet
AVG
American Volunteer Group, the Flying Tigers
AWOL
Absent Without Leave
Azon VB-1
A stand-off glider bomb steered by a mother ship.
B
Bombardier also Bom
BAD
Base Air Depot also Brisbane Air Depot
BALD EAGLE
Radio call Sign for 330th Bomb Group, 314th Bomb Wing, May 1945
BALIFF
Radio Call Sign for 501st Bomb Group, 315th Bomb Wing, May 1945
Bandits
Term for enemy aircraft
BARRANCA
XXIBC Target Code for Kokubu Air Field, Kyushu (Target #2520)
BAYWOOD
Radio Call Sign for 331st Bomb Group, 315th Bomb Wing, May 1945
BB
Bomb Bay
BB
Battleship
BC
Bomber Command
BD
Bombardment Division
BEN
USAAF designation for Nagoya-Sento KI-001 (Did not exist)
BEQ
Bachelors Enlisted Quarters
BEST SELLER
Pagan Island Reference Point 1800Z 3/12/45 to 1800Z 3/13/45 Pagan Island Reference Point 1800Z 3/24/45 to 1800Z 3/25/45 Pagan Island Reference Point 1800Z 3/31/45 to 1800Z 4/1/45
BFS
Basic Flying School
BG
Bombardment Group
BG (D)
Bombardment Group (Dive)

 

BG (H)
Bombardment Group (Heavy)
BG (L)
Bombardment Group (Light)
BG (M)
Bombardment Group (Medium)
BG (P)
Bombardment Group (Pathfinder)
BG (VH)
Bombardment Group (Very Heavy)
BHQ
Base Headquarters
Big PX
USA, home, ZI, ConUS, Big A
BIRDDOG
Life Guard surface vessel stationed off Japan
Biscuit gun
Aldis lamp or signal lamp
BLACKJACK
Radio call Sign for 39th Bomb Group, 314th Bomb Wing, May 1945
BLISSFUL HANDFUL
Daio Saki Light Reference Point 1800Z 3/12/45 to 1800Z 3/13/45
BLK SQ K
Tail Code for the 330th Bomb Group, 314th Bomb Wing. Yellow "K" in black square on vertical stabilizer
BLK SQ M
Tail Code for the 19th Bomb Group, 314th Bomb Wing. Unpainted "M" in black square on vertical stabilizer
BLK SQ O
Tail Code for the 29th Bomb Group, 314th Bomb Wing. Unpainted "O" in black square on vertical stabilizer
BLK SQ P
Tail Code for the 39th Bomb Group, 314th Bomb Wing. Unpainted "P" in black square on vertical stabilizer
BLOCKHOUSE
XXIBC Target Code for Tachikawa Air Depot (Target #2008)
BLOWZY
XXIBC Target Code for Usa Air Field, Kyushu (Target #1307)
BLUE BLOOMERS
Iwo Jima Reference Point 1800Z 3/13/45 to 1800Z 3/14/45
BLUE PLATE
Radio Call Sign for 16th Bomb Group, 315th Bomb Wing, May 1945
BLUIE
(code) Greenland
BOB
USAAF designation for Aichi 97 seaplane (Did not exist)
BOB
USAAF designation for Kawasaki Ki.28
Bom
Bombardier
BOMCOM
Bomber Command
BOMWG
Bomb Wing
BOQ
Bachelors Officer Quarters
BOX KITE
Suber Dumbo (B-29) Missions, 1945
BOY
Mk-26 Mod 1 1000 Lb Aerial Mine Case
BRISKET
XXIBC Target Code for Kawasaki Urban Area
BROOKLYN
XXIBC Target Code for Tokyo Industrial Area
BTC
Basic Training Center
BTG
Ball Turret Gunner
BTO
Bombing Through Overcast
BU
(Air) Base Unit; Organization 'owning' planes assigned to Base
BULLISH
XXIBC Target Code for Izumi Air Field, Kyushu (Target #2512)
BUSHING
XXIBC Target Code for Nittigahara Air Field (Target #2531)
BUTTERBALL
XXIBC Target Code for Hodagaya Chemical Works, Koriyama, Honshu (Target #2025)
BUTTON
(code) Espiritu Santo, New Hebrides
Buzz
Term for flying near, or diving low over, an area or object
BUZZARD
Collective designator for weather tracks flown by 56th WRS, Yokota Air Base, Japan

 

 

BW
Bombardment Wing
C-1
Autopilot
C-2
Altimeter, used to compute exact bombing altitude given target pressure altitude, pressure altitude above target and mean temperature.
CA
Heavy cruiser
CACTUS
(code) Guadalcanal, Solomon Islands
CACW
Chinese American Composite Wing
CALIB
Calibration
CAM
Camoflage
CAMLET
XXIBC Target Name for Oita Air Field Kyushu (Target #1307)
CAMPBELL
314TH BW Code to execute landing at any friendly field due to weather
CAP
Civilian Air Patrol
CAPT
Captain
CARNATION
Guam Air Field; not North Field
CAS
Calibrated Air Speed
CATCALL
XXIBC Target Code for Hitachi Aircraft Factory, Tachikawa
CATF
China Air Task Force
CAVU
Ceiling and Visibility Unlimited, weather term
CBI
China-Burma-India
CBs
Navy Construction Battalion (SeaBee's)
CBW
Composite Bomb Wing
CC
Composite Command
CCGS
Combat Crew Gunnery School
CCRC
Combat Crew Replacement Center
CE
Corps of Engineers
CF
Caught Fire
CFC
Central Fire Control Gunner on B-29 Crew
CG
Commanding General
Chap
Chaplain
CHARACTER
Surface Life Guard vessel stationed at 1800N 14500E for Peachblow 1 mission to Osaka on B-29 return track to Marianas
CHECKBOOK
XXIBC Target Name for Kanoya Air Field, Kyushu (Target #1378)
CHICKEN
Radio call Sign for fighters escorted by B-29
CHILI WILLIAMS
Hachijo Jima Reference Point 4/12/45 Lunchroom 1 Mission 4/13/45 Rosaki Light Reference Point
CINCPAC
Commander in Chief, Pacific (ADM NIMITZ)
CINCUS
Commander in Chief, US Fleet
CIRC E
Tail Code. "E" in a Circle - tail code of the 504th Bomb Group, 313th Bomb Wing.Used from April, 1945
CIRC R
Tail Code. "R" in a Circle - tail code of the 6th Bomb Group, 313th Bomb Wing.Used from April, 1945
CIRC W
Tail Code. "W" in a Circle - tail code of the 505th Bomb Group, 313th Bomb Wing. Used from April, 1945
CIRC X
Tail Code. "X" in a Circle - tail code of the 9th Bomb Group, 313th Bomb Wing. Used from April, 1945
CKC
Cotton Khaki Cloth (uniform)
CL
Crash Landed, also Light Cruiser

 

 

LAMMY HAND
Tosaka Hana Light Reference point for Super Dumbos 3/31/45
CLAUDE
USAAF designation for Mitsubishi A5M/S-96/Type 96
CMB
Central Medical Board
CME
Central Medical Establishment
CMS
Combat Mapping Squadron
CO
Commanding Officer
COCKCROW
XXIBC Target Name for Saeki Air Field, Kyushu (Target #1306)
Col
Colonel
COLONY CLUB
Pagan Island Reference Point 1800Z 3/15/45 to 1800Z 3/16/45
COM GEN
Comanding General
COMAIRSOLS
Commander for Air, Solomons
COMAIRSOPAC
Commander for Air, South Pacific
Comm
Communications
CONUS
Continental United States, ZI, ZOI, home
COPPER
(code) Hawaii; formerly C
CORNLET
XXIBC Target Name for Oita Air Field
COS
Chief of Staff
COUNTERFEIT
Aerial sea mining missions, Japanese Home Waters, 1945
CP
Copilot
Cpl
Corporal
CPT
Central Pacific Time, or sometimes Captain
CR
Crashed
CROSSTOWN
Radio Call Sign for 9th Bomb Group, 31`3th Bomb Wing, August 1945
CRYSTAL
(code) weather stations in northwest Canada
CTD
College Training Detachment for Aviation Cadets
CTO
Crashed on Take-off
CUCKOO
Radio Call Sign for 6th Bomb Group, 313th Bomb Wing, August 1945
CURIOUS
Radio call Sign for 19th Bomb Group, 314th Bomb Wing, August 1945
CURLY LOCKS
Daio Saki Light Reference Point 1800Z 3/13/45 to 1800Z 3/14/45
CV
Aircraft Carrier
CWS
Chemical Warfare Service
CYCLONE
XXIBC Super Dumbo (B-29) call sign
DAF
Desert Air Force (9th Air Force & RAF in North Africa)
Dago Devastator
B-24
DAGWOOD
Radio Call Sign for 500th Bomb Group, February 1945
DANDY
Radio Call Sign for 6th Bomb Group, February 1945
DAREDEVIL
Radio Call Sign for 6th Bomb Group, 313th Bomb Wing, May, 1945
DARKEYES
Submarine Life Guards stationed on B-29 return track to Marianas
DAVE
USAAF designation for Nakajima E8N
DAVY JONES
Survivors in water without life vests

 

DC
Dental Corps
DC/S
Deputy Chief of Staff
DD
Destroyer
Demob points
Points needed to go home
DET
Detachment
DF
Direction Finder; also RDR Radio Direction Finder, D'F
DFC
Distinguished Flying Cross
DIAM B
Tail Code. "B" in a Diamond on vertical stabilizer, tail code of 16th Bomb Group, 315th Bomb Wing
DIAM H
Tail Code. "H" in a Diamond on vertical stabilizer, tail code of 331st Bomb Group, 315th Bomb Wing
DIAM L
Tail Code. "L" in a Diamond on vertical stabilizer, tail code of 501st Bomb Group, 315th Bomb Wing
DIAM Y
Tail Code. "Y" in a Diamond on vertical stabilizer, tail code of 502nd Bomb Group, 315th Bomb Wing
DICK
USAAF designation for Seversky A8V: American
DIMPLES
Radio Call Sign for the 509th Composite Group
DINAH III
Japanese fighter plane;
DIT
Ditched, ditch, land in the water
DNB
Died Not in Battle
DOC
USAAF designation for Messerschmitt Bf110: German, not in Japanese service
Dodo
A flying cadet who has not yet soloed
DOI
Died Of Injuries
DOLLY'S FOLLY
Iwo Jima Reference Point from 1800Z 3/12/45 to 1800Z 3/13/45 Iwo Jima Reference Pont from 1800Z 3/24/45 to 1800Z 3/25/45 mIwo Jima Reference Point for surface vessels 3/31/45
DOMINO
Radio Call Sign for 9th Bomb Group, 313th Bomb Wing, May 1945
DOW
Died Of Wounds
Dr. Ditto
Broadcaster on Tokyo radio
DRACULA
Radio call Sign for the 29th Bomb group, 314th Bomb Wing, May 1945
DRAGON
Life Guard Submarine
DREAMBOAT
Radio call Sign for navigational B-29 escorting fighters
DRIPPER
XXIBC Target Code for Miyakonojo Air Field (Target #2527)
DS
Detached Service
DSC
Distinguished Service Cross
DSM
Distinguished Sercice Medal
DUC
Distinguished Unit Citation
DUMBO
Rescue plane; also PLAYMATE in Western Pacific (WesPac)
DZ
Drop Zone
E and E
Escape and Evasion
E TRI
Tail Code. "E" over hollow triangle over plane ID number was the tail code for the 504th Bomb Group, 313th Bomb Wing until April, 1945
E/A
Enemy Aircraft
E-28
500 Lb incendiary bomb cluster
E-36
500 Lb incendiary bomb cluster
E-6B
Dead Reckoning Computer, a circular slide rule that could multiply, divide, find proportions and solve vector problems. Used by both bombardiers and navigators.
EAB
Engineer Aviation Battalion

 

 

EAME
Medal, European, Africa, & Middle East
ELLA
(code) 11th BG base on Tarawa, Mullinix Field
ELOPER
Tosaki Hana Light Reference Point for Life Guard Submarines 3/25/45
EM
Enlisted Man or Men
EMPENAGE
Tail surfaces of aircraft, vertical and horizontal stabilizers
ENG
Engine
Eng
Engineer also Engineer/Top Turret Gunner
ENKINDLE
XXIBC Target Code for Nakajima Aircraft Plant, Tokyo (Target #357)
ERADICATE
XXIBC Target Code for Miytsubishi Aircraft Factory, Nagoya
Erganzungsgruppe
German, Operational Training Unit
ERS
Emergency Rescue Squadron
ETO
European Theater of Operations
EUS
Evacuated to US after release from POW status
EVD
Evaded
EVERGREEN
Dye marker used by survivors in water
EVS
Nursing, Enlisted Volunteer Service
EX
Exploded
F/O
Flight Officer
F-13
Photo Reconnaissance version of B-29
Fahnrich
German, rank equal to Cadet Officer
FAINTER
XXIBC Target Code for Otaki Oil Refinery (Target #2121)
FAMISH
XXIBC Target Code for Kanoya East Air Field, Kyushu (Target #2516)
FANTAN
(code) Fiji Islands
FANTAN ONE
(code) Nandi Air Base, Nandi, Fiji
FC
Fighter Command
FCS
Fighter Control Squadron
FD
Finance Department
FD
Fighter Division
FE
Flight Engineer on B-29 Crew
FEAF
Far East Air Force
FEARLESS
Surface life Guard vessel
FEARLESS
XXIBC Target Name for Oita Air Field Kyushu (Target #1308)
FEARLESS
XXIBC Target Name for Tachiari Air Field (Target #1326)
FEARLESS
XXIBC Target Name for Omura Aircraft Plant (Target #1627)
Feather Merchant
Civilian employee of government
Feldwebel
German, rank equal to T/Sgt
FELIX
Rado Call Sign for 497th Bomb Group, Februart 1945
FETLOCK
(code) Funafuti, Ellice Island
FG
Fighter Group
FG (SE)
Fighter Group (Single Engine)

 

 

G (TE)
Fighter Group (Twin Engine)
FIELD GOAL
Iwo Jima Reference Point for Eradicate 7 Mission 4/7/45
FIG
11th BG radio station
FIGMO
Forget It! I Got My Orders
FIVE ISLANDS
Task Force for the defense of SoPac bases
Flak
German, Fliegerabwehrkanone - Antiaircraft Gun
FLEA'S KNEES
Rosaki Light Reference Point Lunchroom 1 Mission 4/12/45
Flieger
German, Flyer
Fliegerfuher
German, Air Commander
FLINTLOCK
Operations for Kwajalein and Majuro islands, early 1944
FLIP FLOP
Hachijo Jima Reference Point from 1800Z 3/12/45 to 1800z 3/13/45 Hachijo Jima Reference Point 1800Z 3/24/45 to 1800K 3/25/45
FLOY FLOY
Pagan Island Reference point 3/27/45
FLT
Flight
FO
Field order
FOD
Finding Of Dead (U.S. Court ruling of loss)
FORAGER
Operations against Saipan, Tinian, and Guam, summer 1944
FORM 1
A detailed record of the aircraft's flight and maintenance history.See Annex 1 for reproductions of the Form's seven parts.
Form 5
Individual flight record
FRACTION
XXIBC Target name for Nakajima Aircraft Plant at Ota (Target #1544)
FRANK
USAAF designation for Mitsubishi TK-4 (Did not exist)
FRANK
USAAF designation for Nakajima Ki 84 'Hayate'
FRANK
USAAF designation for Nakajima Ki 106
FRANK
USAAF designation for Nakajima Ki 113
FRANK
USAAF designation for Nakajima Ki 116
FRECKLES
Radio Call Sign for 499th Bomb Group, February 1945
FRED
USAAF designation for Focke-Wulf Fw 190; German, not in Japanese service
FRUITCAKE
XXIBC Target Name for Kawasaki Aircraft Plant, Akashi, Nagoya (Target #1547)
FS
Flight Surgeon
FS
Fighter Squadron
FTR
Failed to Return
FTR
Fighter plane
FTRINT
Failed to Return, Aircraft or Crew interned in Neutral Country
FTRLOC
Failed to Return, Aircraft or Crew Landed on Continent behind the Allied Lines
FUBAR
Fouled (Fucked) Up Beyond All Recognition
FUEL
Ran out of Fuel, when referring to fate of aircraft
FURIOUS
XXIBC Target Name for Nakajima Aircraft Plant at Koizuma (Target #1545)
FW
Fighter Wing
G
Gained (added to roster)
G.I.
Government Issue
G-1
Computed true airspeed when flying at high altitudes and high speeds.

 

GAD
Guam Air Depot
GALVANIC
Assault on Gilbert Islands, late 1943
GARDENIA
Guam Air Field, February 1945
GASC
Ground Air Support Command
GB-1
'Grapefruit', an experimental glide bomb.
GB-4
'Batty', an experimental radio controlled glide bomb
GB-8
Experimental glide bomb guided by rudimentary television.
GCACTC
Gulf Coast Air Corps Training Center (1940-43)
GCM
Good Conduct Medal
GCT
Greenwich Civil Time
Gefechtsstand
German, Battle Headquarters
Gefreiter
German, rank equal to Private 1st Class
General Leutnant
German, rank equal to Major General
General Major
German, rank equal to Brigadier General
General Oberst
German, rank equal to 4 Star General
Generalfeldmarschall
German, rank equal to 5 Star General
Geschwader
German, Air Wing
GF
German Fighter
GFE
Government Furnished Equipment
GHQ
General Headquarters
GHQAF
General Headquarters Air Force (1935 -41), later renamed AFCC
Gibson Girl
Yellow, hourglass shaped liferaft radio
Gig
A demerit given to flying cadets for infractions
GLOAMING
Iwo Jima Reference Point for Surfaace Vessels Lunchroom 1 Mission 4/12/45
GMT
Greenwich Mean Time - time at Zero longitude - Zulu time
GMU
Group Maintenance Unit
GNR
Gunner
GO
General Order
GOLDBUG
Radio Call Sign for 313th Bomb Wing
GOODYEAR
Survivors in life rafts
GP
Group
GP
General Purpose
Gruppe
German, Group, plural Gruppen
GSC
General Staff Corps
GSE
German Single-engined Fighter
GULFBIRD
Radio Call Sign for 504th Bomb Group, 313th Bomb Wing, August 1945
H
Heavy
HAB
High Altiitude Bombing
HAF
Hawaiian Air Force
HALF NELSON
Kamata Saki Light Reference Point from 1800Z 3/15/45 to 1800Z 3/16/45

 

 

HALLOWEEN
Life guard Surface vessel stationed at 18 00N - 144 30E on 4/12/45
HALPRO
B-24 unit almost sent to China-Burma-India Theater from Europe
HALTER POST
Hachijo Jima Reference Point for Eradicate 7 Mission 4/7/45
HAPPY
Radio Call Sign for 497th Bomb Group, 73rd Bomb Wing, May 1945
Hauptgefreiter
German, rank
Hauptmann
German, rank equal to Captain
HB
Heavy Bomber
HBT
Herringbone twill (work uniform)
HE
Heavy Explosive
HELLHOG
Radio Call Sign for 3rd Photo Recon Squadron, May 1945
HESITATION
XXIBC Target Code for Mitsubishi Aircraft Factory, Nagoya (Target #194)
HF
High Frequency radio spectrum
HINT
(code) Azore Islands
HMAF
Hawaiian Mobile Air Force
HOLLY
(code) Canton Island, Phoenix Island group
HPD
Honolulu Police Department
HQ
Headquarters
Hump
Air route over the Himalayan Mountains
I & E
Information and Education personnel or gear
ICD
India-China Division of the Air Transport Command
IFF
Identification, Friend or Foe. Airborn radio system emitting preset signal when queried
IGD
Inspector Generals Department
IIA
Injured In Action
IJN
Imperial Japanese Navy; also HIJMN
Incendiary
Magnesium based incendiary cluster bomb
INDICES
XXIBC Target Code for Tokuyama Naval Fueling Station (Target #73)
INDIGO
(code) Iceland
INFIRMARY
XXIBC Target Code for Chiran Air Field, Kyushu
INFIRMARY
XXIBC Target Code for Ibusuki Air Field, Kyushu (Target #2507)
INOP
Inoperative
INT
Interned
INV
Inventory
INVINCIBLE
Surface Life Guard vessel on B-29 return track to Marianas. On 3/25/45 stationed at 18 00N - 144 30E
IP
Initial Point; start of bomb run
IRON
Hq USAFISPA? (US Army Forces in South Pacific)
IRVING
Japanese fighter plane;
IS
Island, islands
J-1
Sight, used to find the sighting angle for a 30-second or 45-second bomb run
Jafu
German, Flighter Commander also Jagdfligerfuhrer
JAG
Judge Advocate General

 

Jagdfligerfuhrer
German, Fighter Commander also Jafu
Jagdgeschwader
German, Fighter Wing
JG
German, Jagdgeschwader (Fighter Regiment)
K TIME
Marianas time. Add 10 hours to GMT (Zulu) Time
K TRI
Tail Code. "K" over hollow triangle over plane ID number was the tail code for the 505th Bomb Group, 313th Bomb Wing until April, 1945
KAS
Killed on Active Service
Kc
Kilocycles
Kette
German, Flight of 3 aircraft
KGMB
Popular Honolulu radio station
KIA
Killed In Action
KINGBIRD
Radio Call Sign for 19th Bomb Group, 314th Bomb Wing, May 1945
KIS
Killed in Service
KOLA
(code) Gander Lake Airdrome
Kriegesgefangen
German, Prisoner of War
KWAJ Lodge
BOQ on Kwajalien; also a radio program
L
Light
L TRI
Tail Code. "L" over hollow triangle over plane ID number was the tail code for the 6th Bomb Group, 313th Bomb Wing until April, 1945
LAB
Low Altitude Bombing
LAD
Mk-13 Mod 6 Aerial Mine Case
LAND
Landing Accident
LARK
Designator for weather tracks of 374th Recon Sq (VLR) Wea., Fairfield-Suisun AFB CA
LAWYER
(code) Ascension Island
LD
Land, landed
LEAFSTALK
XXIBC Target name for Kawanishi Aircraft Company (Target #1702)
LEG LIFTER
Iwo Jima Reference Point from 1800Z 3/16/45 to 1800Z 3/17/45
Leutnant
German, rank equal to 2nd Lieutenant
LIBEL SUIT
Iwo Jima Reference Point for surface vessels 0400Z 4/14/45 to 0400Z 4/15/45
LIBERTY BELL
Hachijo Jima Reference Point from 1800Z 3/15/45 to 1800Z 3/16/45
LIFEGUARD
Rescue submarine
LOON
Designator for weather tracks of 375th Recon Sq (VLR) Wea., Eielson AFB AK
LOPSIDED
Pagan Island Reference Point 1800Z 3/13/45 to 1800Z 3/24/45
LORAN
Long Range Radio Navigation system
LOYAL
Radio Call Sign for 58th Bomb Wing, August 1945
LR
Target of Last Resort
Lt Col
Lieutenant Colonel
Luftflotte
German, Air Fleet Command
Luftgau
German, a territorial area command within Germany
Luftwaffe
German, the German Air Force
LUNCHROOM
XXIBC Target Code for Koriyama (Target #6129)
LWG
Left Waist Gunner

 

 

LZ
Landing Zone
M
Medium
M/Sgt
Master Sergeant
M1
128 lb fragmentation bomb
M17
500 lb incendiary cluster bomb
M-17-A1
500 Lb incendiary bomb cluster
M19
22 lb incendiary cluster bomb
M24
44 lb flare
M26
500 lb cluster fragmentation bomb
M-26
Paraflare
M38A2
100 lb practice bomb
M-46
Photoflash
M47A1
100 lb phosphorous incendiary bomb
M47A2
100 lb multi-purpose chemical bomb (jellied oil incendiary)
M50
4 lb incendiary cluster munition
M52
2 lb incendiary cluster munition
M-64
500 Lb General Purpose Bomb
M70
115 lb multi-purpose chemical bomb
M76
500 lb pyrotechnic gel bomb
M-76
500 Lb incendiary bomb cluster
M81
260 lb fragmentation bomb
M8A1
16 lb flare
MAAF
Mediterranean Allied Air Forces
MACR
Missing Air Crew Report
Mae West
Nickname for inflatable life-preserver
MAGIC
Intercepted Imperial Japanese Navy coded message traffic
Maj
Major
MALF
Malfunction
MALTED MILK
Pagan Island Reference Point from 1800Z 3/16/45 to 1800Z 3/17/45
MAN
Mk-25 2000 Lb Aerial Mine Case
MAPLE
Tower Call Sign Iwo Jima South Field
Mark 25
2000 Lb aerial mine
Mark 26-1
1000 Lb aerial mine
Mark 36-1
1000 Lb aerial mine
MASCOT
Radio Call Sign for 498th Bomb Group, 73rd Bomb Wing, May 1945
MASHNOTE
Radio Call Sign for 444th Bomb Group, 58th Bomb Wing, May 1945
MATS
Military Air Transport Service
MATTERHORN
Plan for B-29's to bomb Japan from bases around Chengtu, China
MC
Medical Corps
MECH
Mechanical failure, when referring to fate of aircraft

 

 

MEETINGHOUSE
XXIBC Target Code for Tokyo
MEMPHIS
XXIBC Target Code for Mitsubishi Engine Plant, Nagoya (Target #193)
MEW
Microwave Early Warning RADAR used by 9th Air Force
MIA
Missing In Action
MICROSCOPE
XXIBC Target Code for Nagoya Urban Area
MID
Mid-air collision
MIDDLE MAN
XXIBC Target Code for Kobe Urban Area
MIKE
Letter M; also mining mission
MINGTOY
Radio Call Sign for 468th Bomb Group May, 1945
MISER
Radio Call Sign for 39th Bomb Group, August, 1945
MIZPAH
Radio Call Sign for 330th Bomb Group, August, 1945
Mk13-2
2100 lb Torpedo
MM
Millimeter - as in ammunition, e.g. 20 mm cannon
MO
Homing beacon signal; also morse code
MODELLER
XXIBC Target Code for Tachikawa Aircraft Company, Tachikawa (Target #792)
MODEX
Radio Call Sign for 444th Bomb Group, 58th Bomb Wing, CBI Theater
MOH
Medal of Honor
MOLLY'S MUFF
Hachijo Jima Reference Point reference Point for Life Guard Submarines 0400Z 4/14/45 to 0400Z 4/15/45
MOPISH
XXIBC Target Name for Matsugama (Target #2777)
MOS
Military Occupation Specialty
MP
Military Police
MPI
Mean Point of Impact
MR&RS
Mobile Reclamation and Repair Squadron
MRU
Mobile Repair Unit
MSN
Mission
MTO
Mediterranenan Theater of Operations
MTS
Maintenance and Technical Services
N
Navigator also Nav
NAAF
Northwest African Air Forces (1943), later renamed MAAF
Nachrichten
German, Intelligence/Signals Officer
NASA
National Air and Space Museum, black & white photo reference number
NASB
National Air and Space Museum, color photo reference number
Nav
Navigator
NAVEL LINT
Iwo Jima Reference Point from 1800Z 3/15/45 to 1800Z 3/16/45
NCAL
New Caledonia Is.
NCO
Non-commissioned Officer
NCOQ
NCO Quarters
NECKCLOTH
XXIBC Target Code for Miyazaki Air Field, Kyushu (Target #2529)
NFS
Night Fighter Squadron
NICK
Japanese fighter plane

 

 

Nissen Hut
A prefabricated building of corrugated steel in the shape of a half cylinder, named after Peter Norman Nissen (1871-1930)
NMF
Natural Metal Finish
NMI
No Middle Initial, used when a service member's name is written. Ex. John (NMI) Smith
NN44
First radar scope used on Iwo Jima
NPS
Night Photo Squadron
NTG
Nose Turret Gunner
OAP
Offset Aiming Point (Bomb aiming)
Ober Leutnant
German, rank equal to Lieutenant
Oberfahnrich
German, rank equal to senior Cadet Officer
Oberfeldwebel
German, rank equal to M/Sgt
Obergefreiter
German, rank
Obersleutnant
German, rank equal to Lieutenant Colonel
Oberst
German, rank equal to Colonel
OCS
Officers Candidate School
OD
Ordnance Department
OD
Olive drab, Army green camoflage
OES
Operational Engineering Section
OG
Observation Group
OGRE
Radio Call Sign for 444th Bomb Group, August 1945
OLC
Oak Leaf Cluster; signifies repeat award
OOF
Out of Fuel
OPNS
Operations
OS
Observation Squadron
OSCAR
Japanese fighter plane;
OTS
Officer Training School for officers with direct commissions
OTU
Operational Training Unit
OUTFIELD
Radio Call Sign for 58th Bomb Wing, May 1945
P
Pilot, or Provisional
PANHANDLE
XXIBC Target Name for Moen Island Air Field, Truk. Training Target
PATHWAY
Radio Call Sign for 501st Bomb Group, May 1945
PCBW
Provisional Combat Bomb Wing
PDG
Plaines des Gaiacs Airfield, New Caldonia
PEACHBLOW
XXIBC Target Name for Osaka Urban Area
PERIDITION
XXIBC Target Name for Tokyo Arsenal
PETREL
Designator for weather tracks flown by 57th Weather Recon Sq. Hickam AFB HI
PFC
Private First Class
PFF
Pathfinder Force, aircraft that lead bombing formations and were equipped with "Pathfinder" RADAR.
PG
Photographic Group
PH
Purple Heart
PHA
Pearl Harbor Attack

 

 

PI
Phillipine Islands
PICAROON
(code) Nukufetau Is, Ellice Is. group
Piccadilly Flak
British slang for gonorrhea
PICKLED EEL
Iwo Jima Reference Point 3/27/45
Picquet Hut
Half-buried, fortified hut named for François Picquet (1708-1781)
PILOT
Copilot on B-29 Crew (you'll have to ask the B-29 guys about this screwy Pilot vs Aircraft Commander distinction)
Pineapple Army
Hawaiian Department
PINETREE
(code) 8th Bomber Command Headquarters
PIO
Public Information Office
PLAYMATE
313th Bomb Wing Super Dumbo, 1945
PLUM
US Army in PI
PLUTO
Radio Call Sign for 50?th Bomb Group, May 1945
POA
Pacific Ocean Area
POE
Port of Embarkation
POINT LUCK
Rendezvous position of US CV's at Midway battle
POLLUTED
Hachijo Jima Reference Point from 1800Z 3/16/45 to 1800Z 3/17/45
POPPY
(code) New Caldedonia Is.
POW
Prisoner of War
PRG
Photographic Reconnaissance Group
PRO
Public Relations Office
PROJECT-A
Also called APHRODITE, a project using war-weary B-17 drones packed with exposives as flying bombs
PRS
Photo Reconnaissance Squadron
PS
Photographic Squadron
PSP
Pierced Steel Planking (Runway material)
PTO
Pacific Theater of Operations
PUC
Presidential Unit Citation
PUMPKIN
High explosive bomb the weight and shape of Fat Man atomic weapon
PUTT-PUTT
On-board auxiliary power unit located in the forward left corner of the rear unpressurized compartment, adjacent to the battery. It provided electrical power for starting engines and ground operation of on-board electrical equipment
QM
Quartermaster
QMC
Quartermasters Corps
Quonset Hut
American trademark name for Nissen Hut, a prefabricated building of corrugated steel in the shape of a half cylinder
R/O
Radar Observer, the operating technician
R/T
Receiver/Transmitter (British term the AAF used)
R/W
Runway
RAAF
Royal Australian Air Force
RADAR
Radio Detecting and Ranging
Radome
Fiberglass fairing over radar antenna on exterior of aircraft
RAF
Royal Air Force
RAMPAGE
Radio Call Sign for 314th Bomb Wing, May 1945
RANGER TOWER
North Field, Guam, tower call sign

 

 

RAP
Radar Aiming Point
RASC
Royal Army Service Corps
RCAF
Royal Canadian Air Force
RCD
Recruit Corps Depot
RCM
Radio Counter Measures
RCN
Reconnaissance
RDC
Radar Calibration (Squadron)
REAT PLEAT
Hachijo Jima Reference Point from 1800Z 3/16/45 to 1800Z 3/17/45
Recon
Reconnaissance; also recce, or rcn
RED DIAGONAL
A Red "/" On Pt 2 of AAF Form 1. Identifies a condition requiring maintenance but not grounding the aircraft
RED LIPS
Pagan Island Reference Point from 1800Z 3/23/45 to 1800Z 3/24/45
RED X
A Red "X" on Pt 2 of AAF Form 1 Identifies a condition requiring maintenance that grounds the aircraft until condition is corrected, inspeced and sign-off
Reichmarschall
German, rank equal to Supreme Allied Commander?
RG
Reconnaissance Group also regained, returned to roster
RNZAF
Royal New Zealand Air Force
RO
Radio Operator, also ROG
ROBUST
Radio call Sign for 40th Bomb Group, May 1945
ROCKCRUSHER
XXIBC Target Code for Iwo Jima Air Fields 1 & 2
ROG
Radio Operator Gunner
ROSES
(code) Efate, New Hebrides Is.
ROTATIVE
XXIBC Target Code for Tokuyama Coal Yard (Target #674)
Rotte
German, Pair of aircraft
RS
Reconnaissance Squadron
RTB
Returned to Base
RTD
Returned to Duty
RTU
Replacement Training Unit
RW
Reconnaissance Wing also Right Waist
RWG
Right Waist Gunner
RZOI
Remained in the Zone of the Interior (U.S.)
S/E
Single Engine (enemy aircraft)
S/Sgt
Staff Sergeant or SSgt
S-1
Organizational element-Personnel-US Army
S-2
Organizational element-Intelligence-US Army
S-3
Organizational element-Operations-US Army
S-4
Organizational element-Supply and Maintenance-US Army
S-5
Organizational element-Communications-US Army SoPac
SAD
Strategic Air Depot
SAIL1
Op area west of Hawaii
SAL
Salvaged
SAN ANTONIO
XXIBC Target Code for Tokyo

 

 

SANDY
Radio call Sign for 499th Bomb Group, May 1945
SB-29
Rescue configuration of B-29. Forward lower turret removed and radar installed in it's place. Life boat carried externally. Radio operator moved to rear compartment.
SC
Signal Corps
SCAT
Southern Cross Air Transport
Schwarm
German, Section of 4 aircraft
SCR
Signal Corps Radio
SCR 270
Signal Corps Radio (RADAR) set- Mobile
SCR 271
Signal Corps Radio (RADAR) set- Fixed
SCR-269G
Radio Compass
SCR-695
Airborne IFF (Identification, Friend or Foe) radio
SCR-718
Airborne Radar Altimeter
Sea Bees
USN Construction Battalion
SEACTC
Southeast Air Corps Training Center (1940-43)
SETTING SUN
Plan to construct B-29-capable air bases on 400 mile axis N/S of Changsha
SG
Service Group
Sgt
Sergeant
SHAMELESS
Hachijo Jima Reference Point from 1800Z 3/13/45 to 1800Z 3/14/45
SHEAF
Supreme Headquarters Allied Expeditionary Forces (in Europe)
SHEEPSKIN
Surface Life Guard vessel on B-29 return track to Marianas May 1945
SHYSTER
Radio Call Sign for 497th Bomb Group, August 1945
SILK QUILT
Iwo Jima Reference Point from 1800Z 3/16/45 to 1800Z 3/17/45 Iwo Jima Refernce Point from 1800K 3/23 to 1800K 3/24/45
SKEEZIX
Radio call Sign for 505th Bomb Group, May 1945
SKEWER
XXIBC Target Name for Tomitaki Air Field (Target #2536)
SKOOKUM
Radio Call Sign for 468th Bomb Group, August 1945
Sky Pilot
Military chaplain
SKYBLUE
Radio Call Sign for 505th Bomb Group, August 1945
SLEDGEHAMMER
XXIBC Target Code for Iwo Jima Air Fields 1 & 2
SLEEPY LAGOON
Kamata Saki Light Reference Point from 1800Z 3/15/45 to 1800Z 3/16+B350/45
SLICKER
Radio Call Sign for 331st Bomb Group, August 1945
SLOGRNRUD
Tail Code. Solid green rudder identifies 770th BS, 462nd BG in the CBI
SM
Soldier's Medal
SNAFU
Situation Normal, All Fouled (Fucked) Up
Snooper
B-24 with CR717B radar
SO
Special Order
SOLBLURUD
Tail Code. Solid blue rudder identifies 771st BS, 462nd BG in the CBI
SOLREDRUD
Tail Code. Solid red rudder identifies 768th BS, 462nd BG in the CBI
SOLRUD
Solid colored rudder
SOLS
British Solomon Islands Protectorate
SOLYLWRUD
Tail Code. Solid yellow rudder identifies 769th BS, 462nd BG in the CBI
SON
Mk-36 Mod 1 1000 Lb Aerial Mine Case

 

 

SOP
Standard Operating Procedure
SOPAC
South Pacific
SOS
Distress signal in morse code, or spelled out on land
Sq
Squadron also Sqdn
SS
Silver Star Medal
SS
German, abbreviation of Schutzstaffel meaning Defense Corps, an elite section of the Nazi Party with several branches.
Stab
German, Staff
Stabsfeldwebel
German, rank equal to M/Sgt
Stabsschwarm
German, Staff Flight
Staffel
German, Squadron, plural Staffeln
STARLIT
XXIBC Target Codes for Iwo Jima Air Fields 1 & 2
STARVATION
Operation name for aerial mining of Japanese Home Waters
STOPWATCH
Radio Call Sign for 502nd Bomb Group
STRIKE REPORT
See Appendix I
SUNSET
Project to return combat aircrews to CONUS
SWPA
Southwest Pacific Area
SWPAC
South West Pacific Theater of Operations
T
Tail Code. After April, 1945, a 12' "T" on vertical stabilizer denoted the 498th BG
T SQ
Tail Code. "T" over hollow square over plane ID # denoted 498th BG prior to April 1945
T/E
Twin Engine (enemy aircraft)
T/O
Takeoff
T/Sgt
Tech Sergeant or TSgt
TAD
Tactical Air Depot or Division
TAG
Transport Air Group
TARFU
Things Are Really Fouled (Fucked) Up
TARZAN
Radio Call Sign 499th Bomb Group, February 1945
TAXI
Taxi accident (aircraft), when referring to fate
TB-29
Instructiona.training aircraft.
TBA
Table of Basic Allowances
TBS
Turbo Boost Selector
TCG
Troup Carrier Group
TCS
Troop Carrier Squadron
TDY
Temporary Duty, for a period of 89 days or less, away from home Base
TF
Task Force
TG
Tail Gunner
THUNDERHEAD
XXIBC Target Code Hikari Arsenal, Tokuyama (Target #794)
THUNDERHEAD
XXIBC Target Code for Hiro Naval Aircraft Factory, Kure (Target #660)
TIMBER
Radio Call Sign for 502nd Bomb Group, August 1945
Tin Titty
Canned milk
Tin Turkey
B-17

 

 

TM
Technical Manual
TO
Technical Order
TO
Target of Opportunity
TO/E
Table of Organization and Equipment
TOBY
Radio Call sign for 39th Bomb Group, August 1945
TOJO
Japanese fighter plane;
Tojo Time
Enemy raids on Guadalcanal at noon
Tokyo Express
IJN replacements sent down The Slot
TONY
Japanese fighter plane;
TREADLE
XXIBC Target Code for Furakawa Smelter, Kyushu
TRI I
Tail Code. Triangle containing "I". XXIBC tail code for 468th Bomb Group on Tinian
TRI N
Tail Code. Triangle containing "N". XXIBC tail code for 444th Bomb Group on Tinian
TRI S
Tail Code. Triangle containing "S". XXIBC tail code for 40th Bomb Group on Tinian
TRI U
Tail Code. Triangle containing "U". XXIBC tail code for 462nd Bomb Group on Tinian
TRNG
Training
TT
Top Turret also Engineer/Top Turret Gunner (TTG)
TUNNEL
Crawl way over the bomb bays connecting the forward and rear pressurized compartments
TWILIGHT
General Stilwell's alternative to SETTING SUN - Changsha advanced bases
TWX
Teletype message
TWX
Radio message, teletype, transmitted weather info
Unterfeldwebel
German, rank equal to Sergeant
Unteroffizier
German, rank equal to Corporal
UPCAST
XXIBC Target Code for Shizuoka Aircraft Plant, Shizuoka (Target #2011)
USAAF
US Army Air Forces
USAFISPA
US Army Forces in South Pacific
USAFPOA
US Army Forces Pacific Ocean Area
USAT
US Army Transport (S) Service
USSBS
US Strategic Bombing Survey
USSTAF
U.S. Strategic Air Forces in Europe
V
Tail Code. After April, 1945, a 12' "V" on vertical stabilizer denoted the 499th BG
V SQ
Tail Code. "V" over hollow square over plane ID # denoted 499th BG prior to April 1945
VAMOOSE
XXIBC Target Code for Omura naval Air Staion (Target #849)
VC
Volunteer Corps
VHF
Very High Frequency radio spectrum
VIGILANT
Surface Life Guard vessel stationed at 28 00N 137 00E on 3/25/45 (Fearless 2+B116
VJ Day
Japanese capitulation 14 Aug 1945
VLR
Very Longe Range
VLR
Very Long Range (Escort or Recon)
V-Mail
Specially printed letter sheets designed for microphotography and
VOCG
Verbal Order Commanding General. Issued when task is to be done immediately; paperwork to follow

 

 

VOCO
Verbal Order Commanding Officer. Issued when task is to be done immediately; paperwork to follow
VPP
Very Piss Poor
VULTURE
Designator for weather tracks flown by 54th Wea Recon Sq., Andersen AFB Guam
WAC
Women's Army Corps
WALNUT
Central Field, Iwo jima
WAR HORSE
Inter-base communications system, Marianas, Spring 1945
WARNING
Radio Call Sign for 498th Bomb Group, August 1945
WASP
Women's Air Service Pilots
WB-29
Weather reconnaissance version of B-29. All turrrets removed except tail guns. Radar moved to forward compartment where he shared desk on left-hand side of fuselager with navigato. Radio moved to rear compartment. Second radio position installed to mo
WCACTC
West Coast Air Corps Training Center (1940-43)
Wehrmacht
German, the German Armed Forces
WG
Waist Gunner
WHITE POPPY
(code) Noumea, New Caledonia Is.
Whites
Uniform for cooks and medics
WIA
Wounded In Action
WICKED
Radio Call Sign for 462nd Bomb Group, May 1945
WINDOW
Also called chaff; cut aluminum foil released from a/c to counter RADAR
WINGWIDE
(code) 8th Air Force Headquarters
WISDOM
Radio Call Sign for 500th Bomb Group, August 1945
WO
Warrent Officer
WOLFE PLAN
Modified TWILIGHT - 100 B-29's in China, 150 India-based transports supporting
WSM
Weather Strike Mission. A solo, high altitude, weather and photographic reconnaissance mission. Usually carried a few bombs dropped for nuisance value. Between 12/1/44 and 2/11/45, the 73rd Bomb Wing flew 192 weather strikes
WTHR
Weather
WXLG
Kwajalein Is. radio station for the troops
X TRI
Tail Code. "X" over hollow triangle over plane ID number was the tail code for the 9th Bomb Group, 313th Bomb Wing until April, 1945
XFR
Transfer
xxV250
Radio Code Sign for 3rd Photo Recon Sq., Feb/Mar 1945. Xx is A/C Identification No.
xxV526
Radio Code Sign for 19th Bomb Group, July 1945. Xx is A/C Identification Number
xxV527
Radio Code Sign for 29th Bomb Group, July 1945. Xx is A/C Identification Number
xxV528
Radio Code Sign for 39th Bomb Group, July 1945. Xx is A/C Identification Number
xxV528
Radio Code Sign for 330th Bomb Group, July 1945. Xx is A/C Identification Number
xxV531
Radio Code Sign for 497th Bomb Group Jan/Feb 1945. xx is A/C Identification Number.
xxV532
Radio Code Sign for 498th Bomb Group Jan/Feb 1945. xx is A/C Identification Number
xxV533
Radio Code Sign for 499th Bomb Group Jan/Feb 1945. xx is A/C Identification Number
xxV534
Radio Code Sign for 500th Bomb Group Jan/Feb 1945. xx is A/C Identification Number
xxV536
Radio Code Sign for 6th Bomb Group Feb 1945. xx is A/C Identification Number
xxV537
Radio Code Sign for 9th Bomb Group Feb 1945. xx is A/C Identification Number
xxV538
Radio Code Sign for 504th Bomb Group Feb 1945. xx is A/C Identification Number
xxV539
Radio Code Sign for 505th Bomb Group Feb 1945. xx is A/C Identification Number
xxV545
Radio Code Sign for 3rd Photo Recon Sq., Jan/Feb 1945. Xx is A/C Identification No.

 

 

xxV606
Radio Code Sign for 497th Bomb Group Feb/Mar 1945. xx is A/C Identification Number.
xxV607
Radio Code Sign for 498th Bomb Group Feb/Mar 1945. xx is A/C Identification Number
xxV608
Radio Code Sign for 499th Bomb Group Feb/Mar 1945. xx is A/C Identification Number
xxV609
Radio Code Sign for 500th Bomb Group Feb/Mar 1945. xx is A/C Identification Number
YELLOW JACKETS
Survivors in water in life jackets
YG
Homing beacon signal W/2B adaptor
Z
Letter Zulu; later called Zebra; also Z-Time or GMT
Z
Tail Code. After April, 1945, a 12' "Z" on vertical stabilizer denoted the 50th BG
Z SQ
Tail Code. "Z" over hollow square over plane ID # denoted 500th BG prior to April 1945
ZEKE
Japanese fighter plane;
Zerstorergeschwader
German, Heavy Fighter Regiment also ZG
ZG
German, Zerstorergeschwader or Heavy Fighter Regiment
ZI
Zone of the Interior also ZOI, CONUS, USA, home