9th AF Patch

416th Bombardment Group (L)

Acronyms, Abbreviations,

Codes and Descriptions




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Descriptions for some common WWII Acronyms, Abbreviations
and Codes used by the 416th BG during WWII

(Expanded from the Frank Basford (669th Gunner) Papers at the 416th Archive and other sources)
Note: Many Acronyms, Abbreviations and Codes may include periods after letters (e.g. M.P.I. vs. MPI), but this list excludes periods for consistency

AbbreviationDescription   AbbreviationDescription
(H)Heavy bomb group, such as B-29s   JPRCJoint Photographic Reconnaissance Committee
(L)Light bomb group, such as A-20s and A-26s   LCLine Chief
(M)Medium bomb group, such as B-26s   LOCLetter of Commendation
2AFuselage Code of the 669th Bomb Squadron, 416th Bomb Group   LTILink Trainer Instructor
5CFuselage Code of the 671st Bomb Squadron, 416th Bomb Group   MACRMissing Air Crew Report
5HFuselage Code of the 668th Bomb Squadron, 416th Bomb Group   Mae WestNickname for yellow inflatable, vest-like life preserver jackets used during WWII by Allied aircrews. Abbreviated "M.W."
A4First ballistic missle, developed by Germany. German name "Aggragat 4", later renamed "Vergeltungswaffe 2" (Vengence Weapon Two, V2),   MIMilitary Intelligence, British War Office
A-55USAF Station Code for Airfield at Melun/Villaroche, France, Occupied by 416th Bomb Group 24 Sep 1944 to 12 Feb 1945   MI5British Home Intelligence Arm
A-59USAF Station Code for Airfield at Cormeilles-en-Vexin, France, Occupied by 416th Bomb Group 25 May 1945 to c. 15 Jul 1945   MI6British Secret Intelligence Service
A-69USAF Station Code for Airfield at Laon/Athies, France, Occupied by 416th Bomb Group 13 Feb 1945 to 25 May 1945   Milk RunTerm used to describe a mission which did (or was expected to) not encounter enemy resistance, particularly FLAK.
A-74USAF Station Code for Airfield at Cambrai, France, Occupied by 416th Bomb Group c. 15 Jul 1945 to 27 Jul 1945   MO, M/OMovement Orders
AACArmy Air Corps   MPMilitary Police
AAFArmy Air Force   MPIMean or Main Point of Impact
AAF-170USAF Station Code for Airfield at Wethersfield RAF Station, England, Occupied by 416th Bomb Group 1 Feb 1944 to 23 Sep 1944   MSOMess Officer
AAFldArmy Air Field   MSPMiscellaneous Support Personnel
AARAircraft Accident Report   MSSMess Sergeant
AC or A/CAircraft or Air Corps, depending on context   MTPMotor Pool
ACIUAllied Central Interpretation Unit - Centralized Photo Interpretaton group stationed at Medmenham, England. Renamed from CIU 1-May-1944   MTUMobile Training Unit
ADJAdjutant   MY, M/YMarshalling Yards, used to separate railway cars onto one of several tracks.
AEAFAllied Expeditionary Air Force   NAONot Able to Observe (?). Abbreviation used during post-mission analysis when the crews were unable to observe the bombing results for reasons such as cloud cover, obscuring smoke, etc.
AFAir Force   NMINo Middle Initial
AFHRAAir Force Historical Research Agency   NOBALLCodeword for German V1 Rocket Launch site targets. Also called "Bois Carre" or "Ski Site".
APAiming Point   OboeA British aerial blind bombing/navigation system in World War II, based on radio transponder technology.
APNBAiming Point Not Bombed (post-mission analysis)   OFMOfficers Mess
APOArmy Post Office   Operation CrossbowThe code word "Crossbow" was used throughout the period of planning and operations as a convenient term for any matters relating to the attack on England by long range weapons, including all counter-measures against such attacks.
ARCArmorer Chief   OPOOperations Officer
ARMArmorer or Armament   OROOrdnance Officer
AROArmament Officer   PPilot (Throttle Jockey)
ASCAir Service Command   PCRParachute Rigger (Geronimo)
ASNArmy (Personnel) Serial Number   PEOPersonnel Equipment Officer
AUSArmy of the United States   PFFPathFinder Force (PFF) Aircraft used to lead missions over targets not expected to be able to be bombed visually; Martin B-26 Marauder aircraft from the 1st Pathfinder Squadron (Provisional), 9th Bombardment Division specially equipped with early radar navigation systems "Oboe" and later "SHORAN". Note, also sometimes abbreviated "PPF".
BCOBase Custody Officer   PHOPhotographer
BGBombardment Group or Bomb Group   PIPhotographic Interpretation or Photograph Interpreter, depending on context
BN, B/N, B-NBombardier/Navigator   PIUPhotographic Interpretation Unit
Bois Carre siteOne of the names of German V1 Rocket Launch sites because Bois Carre was the first V1 Launch site location identified by Photographic Reconnaissance/Interpretation. Also called "NOBALL" and "Ski Site".   PNBPrimary Not Bombed (post-mission analysis)
BSBombardment Squadron or Bomb Squadron   POMPreparation for Overseas Movement
BSSBomb Sight Specialist   PPFAbbreviation sometimes used instead of PFF (PathFinder Force)
CBWCombat Bombardment Wing or Combat Bomb Wing   PRPhotographic Reconnaissance
CCCrew Chief   PRJProject Officer
CCAChemical Company (Aviation)   PROPublic Relations Officer
CCAMChemical Company (Aviation Maintenance)   PRUPhotographic Reconnaissance Unit
CCAOChemical Company (Air operations)   PTOPhysical Training Officer
CCDAChemical Company Depots (Aviation)   QMSQuartermaster Supply
CCUCombat Camera Unit   RADRadar Specialist
CHPChaplain   RAFRoyal Air Force (British Air Force)
CIUCentral Interpretation Unit - Centralized Photo Interpretaton group stationed at Medmenham, England. Renamed to ACIU 1-May-1944   RAORadio Operator
CMCommunications   RPRally Point - position where Aircraft re-formed their formation after a bomb run
CMOCommunications Officer   SAJSquadron Adjutant
CMWCharge of Materiel and Weapons   SAOSquadron Armament Officer
COCommanding Officer   SCOSquadron Commanding Officer
CRPCrypt Section Officer   SEOSquadron Executive Officer
CWSChemical Warfare Service   SHAEFSupreme Headquarters Allied Expeditionary Force
DCODeputy Commanding Officer   SHORANAn acronym for SHOrt RAnge Navigation, a type of electronic navigation and bombing system using a precision radar beacon, initially developed during World War II.
D-Day, DDJune 6, 1944 - Date of the Allied invasion of Europe to defeat Germany during WWII   SIGINTSignal Intelligence
DDSDental Surgeon   SISBritish Secret Intelligence Service (see also MI6)
DECDeceased   SKI SiteOne of the names of German V1 Rocket Launch sites because some of the buildings had a curved end with the appearance of a ski on it's side. Also called "NOBALL" and "Bois Carre" sites.
DFCDistinguished Flying Cross award   SN, S/NSerial Number (Aircraft or Personnel)
DISDispatcher   SO, S/OSpecial Orders
DMPIDesignated (or Desired) Mean/Main Point of Impact   SPAREAircraft which took off with the formation and would fly part of the distance to the target to fill-in for an aircraft that encountered a problem and had to return early.
DSDetached Service   SPOSupply Officer
DUCDistinguished Unit Citation award   Sq, SqdSquadron
EAMEEuropean-African-Middle Eastern Theater   TACTactical Air Command
EDSEducation Specialist   trfdTransferred
effEffective   TRSTransferred
EMEnlisted Man / Enlisted Men   TSOTechnical Supply Officer
ENOEngineering Officer   TTYTeleType
ETOEuropean Theatre of Operations   TWXTeletypewriter Exchange Service
EXOExecutive Officer   UltraDesignation adopted by British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cypher School (GC&CS) at Bletchley Park. Ultra eventually became the standard designation among the western Allies for all such intelligence.
F6Fuselage Code of the 670th Bomb Squadron, 416th Bomb Group   USAAFUnites States Army Air Force
FCFlight Chief   V1Jet-propelled flying bomb, developed by Germany. German names "Vergeltungswaffe Eins" (Vengence Weapon One, V1), "Fieseler Fi 103 (Fi-103) flying bomb", "FZG-76", "Kirschkern (CherryStone)", "Maikafer (JuneBug)", and "Krahe (Crow)". Also nick-named "Buzz Bomb", "Doodlebug", "Hellhound" and "Diver" by the Allies.
FCWFrench Civilian Worker   V2First ballistic missle, developed by Germany. German name "Aggragat 4" (A4), later renamed "Vergeltungswaffe 2" (Vengence Weapon Two, V2),
FO, F/OField Order   WEOWeather Officer
FRFrom   WEPWeapons Officer
FRTFront Line   WINDOWAluminium stips released ahead of the main bombing formation, which would flutter downward, generating a cloud of false echoes disrupting the enemy radar signal, reducing the effectiveness of the German FLAK and anti-aircraft automated radar controls. Also, Aircraft assigned to carry and release the WINDOW strips.
FRTLNTFront Line Tour   WWII, WW2World War Two
FTRFail To Return - Date a Soldier Failed to Return from a Mission   116Oissel Bridge Mission
GGunner (God Bless Em)   /53Trans from or to: ex; MIA/POW/RMC
GAJGroup Adjutant   ?Address, Squadron, Phone Unknown
GCGround Crew   ++DEC-Deceased
GCOGroup Commanding Officer   1SGFirst Sergeant
GDSGroup Dental Surgeon   BNBombardier Navigator
GEEEarly navigational system used by Allied Aircraft, originally termed code letter G (for grid), changed to GEE in July, 1940, for security reasons.   DDD-Day Mission - DD DD (2 Missions)
GO, G/OGeneral Orders   GFMFlew on Group First Mission, #1 - 3 March 1944 (SFM same)
GP bombsGeneral Purpose bombs   GLMFlew on Group Last Mission, #285 - 3 May 1945 (SLM same)
Gp, GrpGroup   HUMINTHuman Intelligence
H-HourOn June 6, 1944, H-hour was 0630 (6:30 AM) on most beaches, one hour after first light, an hour after low tide.   ITTInjured in Training
HQHeadquarters   KIAKilled in Action (God's Hands Now)
IDPFIndividual Deceased Personnel File   KITKilled in Training (Bless Em All)
IEOIntelligence Officer   MIAMissing in Action
IGNIS AURUM PROBATTranslates to English as "FIRE TESTS GOLD". Informal Motto of the 416th Bomb Group.   POWPrisoner of War
INPInspector Propellers   RMCReturned Military Command
INSInstrument Specialist   RZI(date)MCReturned to Zone of Interior, Missions Complete.
IPInitial Point - The beginning of a bomb run   SMJSergeant Major
JICJoint Intelligence Committee   WIAWounded in Action
JNDJoined   Blank Space-Unknown

MACR and AAR Crewmember Status
(Primary Sources: FOLD3 MACR Status Description and AAIR Action Codes)

StatusDescription   StatusDescription
ALWAlive And Well   KLACoGKilled in a Landing Accident out of Gas
Bailed outBailed out   KMACKilled, Mid Air Collision
CAPCaptured (?)   LWALightly Wounded In Action
DEDDeclared Dead (Public Law 490)   LWIALightly Wounded In Action
DLDead List   LWSLightly Wounded In Service(?)
DLDDied in the Line of Duty   Major injuriesMajor injuries
DNBDied Non-Battle   MIAMissing In Action
DOWDied Of Wounds   Minor injuriesMinor injuries
DOWRIADied Of Wounds Received In Action   NOKNext Of Kin
EUSEvacuated To The United States   Not injuredNot injured
FatalFatal   POWPrisoner Of War
FODFinding of Death   RETReturned (?)
InjuredInjured   RMBReturned To Military Control (hospitalized for Battle wounds)
ITTInjured in Training   RMCReturned To Military Control
KBOKilled, Bail Out   RMNReturned To Military Control (hospitalized for Non-battle injuries)
KCRKilled in a CRash   RTDReturned To Duty
KCRGCKilled in Crash Ground Collision   RZI Returned to Zone of Interior
KCRTKilled, CRashed on Take off   Seriously InjuredSeriously Injured
KCRTEFKilled CRash on Take off Eng Failure   SIASeverely Injured in Action
KIAKilled In Action   Slightly InjuredSlightly Injured
KilledKilled   SWASeriously Wounded In Action
Killed on impactKilled on impact   WIAWounded In Action
KITKilled In Training   WLDWounded in the Line of Duty

Military Occupation Specialty (MOS) Codes
assigned to 416th BG Enlisted men during WWII

See more complete MOS lists at:
(134th Infantry Regiment list of MOS codes )
(TM 12-427 Military Occupational Classification of Enlisted Personnel, 12-Jul-1944 (PDF))

MOSDescription   MOSDescription
014Automotive Mechanic (Second Echelon)   675Messenger
050Carpenter, General   678Power Turret and Gunsight Mechanic
055Clerk, General   683Bombsight Mechanic
056Postal Clerk   685Airplane Electrical Mechanic
058Conductor, Railway   686Airplane Instrument Mechanic
060Cook   687Airplane Propeller Mechanic
123Medical Technician   695Duty Soldier III
225Surgical Technician   699Truck Driver, Light
237Teletype Operator   747Airplane and Engine Mechanic
238Lineman, Telephone and Telegraph   748Airplane Mechanic-Gunner
239Teletype Mechanic   750Airplane Maintenance Technician
256Welder, Combination   751Airplane Flight Chief
267Translator   752Airplane Maintenance Technician
275Classification Specialist   754Radio Mechanic, AAF
283Athletic Instructor   755Radio Operator, AAF
309Telephone Operator   756Radio Operator, AAF
345Truck Driver, Light   757Radio Operator - Mechanic-Gunner, AAF
355File Clerk   766Radio Operator, High Speed, Manual
378Motorcyclist   807Cryptographic Code Compiler
409Medical Technician   809Decontaminating Equipment Operator
475Longshoreman   813Transportation NCOs
501Administrative and Technical Clerk   821Quartermaster Supply Technician
502Administrative NCO   824Mess Sergeant
504Munitions Worker   826AAF Supply Technician
505Ammunition NCO   835Supply Clerk
511Armorer   855Dental Technician
513Airplane Inspector   861Surgical Technician
521Basic   862Radar Mechanic (IFF)
534Chaplain's Assistant   868Radio-Teletype Mechanic
540Chief Switchboard Operator, Common Battery   870Chemical NCO
542Communications Chief   888Radio Mechanic F
552Control Tower Operator   890Photo Interpreter
555Aircraft Sheet Metal Worker   898Radio Repairman
585First Sergeant   901Munitions Worker
611Aerial Gunner   903Small Arms Weapons Mechanic
612Airplane Armorer-Gunner   909Mechanic, Engine, Track Vehicle
613Computer (Calculations)   911Airplane Armorer
620Parachute Rigger and Repairman   925Aircraft Engineering Technician
650Telephone Switchboard Operator   928Automotive Equipment Mechanic
652Section Leader   929Automotive Equipment Operator
663Airplane Armorer   931Truck Driver, Heavy
664Armament Inspector   932Special Vehicle Operator
673Medical NCO   3160Soils Analyst
674Message Center Chief     

Enlisted and Officer Rank
(Primary Sources: United States Army enlisted rank insignia of World War II and United States Army officer rank insignia)

AbbreviationEnlisted Full Title   AbbreviationOfficer Full Title
Pvt / PVTPrivate   Cadet / OTOfficer candidate
Pfc / PFCPrivate First Class   CDT / OCOfficer candidate
Cpl / CPLCorporal   CWOChief Warrant Officer
T/5Technician Fifth Grade   F/O / Flt OFlight Officer
Sgt / SGTSergeant   2d Lt / 2LTSecond Lieutenant
T/4Technician Fourth Grade   1st Lt / 1LTFirst Lieutenant
S/Sgt / SSGStaff Sergeant   Capt / CPTCaptain
T/3Technician Third Grade   Maj / MAJMajor
T/Sgt / TSGTechnical Sergeant   Lt Col / LTCLieutenant Colonel
M/Sgt / MSGMaster Sergeant   Col / COLColonel
1st Sgt / 1SGFirst Sergeant   Brig Gen / BGBrigadier General
SMJSergeant Major   Maj Gen / MGMajor General
     Lt Gen / LTGLieutenant General
     Gen / GENGeneral
     GAFGeneral of the Air Force
     GAGeneral of the Army
     GASGeneral of the Armies

POW / Escape & Evasion Terms and Acronyms