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   HQHeadquarters
(L)Light bomb group, such as A-20s and A-26s   IDPFIndividual Deceased Personnel File
(M)Medium bomb group, such as B-26s   IEOIntelligence Officer
2AFuselage Code of the 669th Bomb Squadron, 416th Bomb Group   IGNIS AURUM PROBATTranslates to English as "FIRE TESTS GOLD". Informal Motto of the 416th Bomb Group.
5CFuselage Code of the 671st Bomb Squadron, 416th Bomb Group   INPInspector Propellers
5HFuselage Code of the 668th Bomb Squadron, 416th Bomb Group   INSInstrument Specialist
A4First ballistic missle, developed by Germany. German name "Aggragat 4", later renamed "Vergeltungswaffe 2" (Vengence Weapon Two, V2),   IPInitial Point - The beginning of a bomb run
A-55USAF Station Code for Airfield at Melun/Villaroche, France, Occupied by 416th Bomb Group 24 Sep 1944 to 12 Feb 1945   JICJoint Intelligence Committee
A-59USAF Station Code for Airfield at Cormeilles-en-Vexin, France, Occupied by 416th Bomb Group 25 May 1945 to c. 15 Jul 1945   JNDJoined
A-69USAF Station Code for Airfield at Laon/Athies, France, Occupied by 416th Bomb Group 13 Feb 1945 to 25 May 1945   JPRCJoint Photographic Reconnaissance Committee
A-74USAF Station Code for Airfield at Cambrai, France, Occupied by 416th Bomb Group c. 15 Jul 1945 to 27 Jul 1945   LCLine Chief
AACArmy Air Corps   LOCLetter of Commendation
AAFArmy Air Force   LTILink Trainer Instructor
AAF-170USAF Station Code for Airfield at Wethersfield RAF Station, England, Occupied by 416th Bomb Group 1 Feb 1944 to 23 Sep 1944   MACRMissing Air Crew Report
AAFldArmy Air Field   Mae WestNickname for yellow inflatable, vest-like life preserver jackets used during WWII by Allied aircrews.
AARAircraft Accident Report   Milk RunTerm used to describe a mission which did (or was expected to) not encounter enemy resistance, particularly FLAK.
AC or A/CAircraft or Air Corps, depending on context   MO, M/OMovement Orders
ACIUAllied Central Interpretation Unit - Centralized Photo Interpretaton group stationed at Medmenham, England. Renamed from CIU 1-May-1944   MPMilitary Police
ADJAdjutant   MPIMean or Main Point of Impact
AEAFAllied Expeditionary Air Force   MSOMess Officer
AFAir Force   MSPMiscellaneous Support Personnel
AFHRAAir Force Historical Research Agency   MSSMess Sergeant
APAiming Point   MTPMotor Pool
APNBAiming Point Not Bombed (post-mission analysis)   MTUMobile Training Unit
APOArmy Post Office   MY, M/YMarshalling Yards, used to separate railway cars onto one of several tracks.
ARCArmorer Chief   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.
ARMArmorer or Armament   NMINo Middle Initial
AROArmament Officer   NOBALLCodeword for German V1 Rocket Launch site targets. Also called "Bois Carre" or "Ski Site".
ASNArmy (Personnel) Serial Number   OboeA British aerial blind bombing/navigation system in World War II, based on radio transponder technology.
AUSArmy of the United States   OFMOfficers Mess
BCOBase Custody Officer   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.
BGBombardment Group or Bomb Group   OPOOperations Officer
BN, B/N, B-NBombardier/Navigator   OROOrdnance Officer
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".   PPilot (Throttle Jockey)
BSBombardment Squadron or Bomb Squadron   PCRParachute Rigger (Geronimo)
BSSBomb Sight Specialist   PEOPersonnel Equipment Officer
CBWCombat Bombardment Wing or Combat Bomb Wing   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".
CCCrew Chief   PHOPhotographer
CCUCombat Camera Unit   PIPhotographic Interpretation or Photograph Interpreter, depending on context
CHPChaplain   PIUPhotographic Interpretation Unit
CIUCentral Interpretation Unit - Centralized Photo Interpretaton group stationed at Medmenham, England. Renamed to ACIU 1-May-1944   PNBPrimary Not Bombed (post-mission analysis)
CMCommunications   PPFAbbreviation sometimes used instead of PFF (PathFinder Force)
CMOCommunications Officer   PRPhotographic Reconnaissance
CMWCharge of Materiel and Weapons   PRJProject Officer
COCommanding Officer   PROPublic Relations Officer
CRPCrypt Section Officer   PRUPhotographic Reconnaissance Unit
DCODeputy Commanding Officer   PTOPhysical Training Officer
D-Day, DDJune 6, 1944 - Date of the Allied invasion of Europe to defeat Germany during WWII   QMSQuartermaster Supply
DDSDental Surgeon   RADRadar Specialist
DECDeceased   RAFRoyal Air Force (British Air Force)
DFCDistinguished Flying Cross award   RAORadio Operator
DISDispatcher   RPRally Point - position where Aircraft re-formed their formation after a bomb run
DMPIDesignated (or Desired) Mean/Main Point of Impact   SAJSquadron Adjutant
DUCDistinguished Unit Citation award   SAOSquadron Armament Officer
EAMEEuropean-African-Middle Eastern Theater   SCOSquadron Commanding Officer
EDSEducation Specialist   SEOSquadron Executive Officer
effEffective   SHAEFSupreme Headquarters Allied Expeditionary Force
EMEnlisted Man / Enlisted Men   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.
ENOEngineering Officer   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.
ETOEuropean Theatre of Operations   SN, S/NSerial Number (Aircraft or Personnel)
EXOExecutive Officer   SO, S/OSpecial Orders
F6Fuselage Code of the 670th Bomb Squadron, 416th Bomb Group   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.
FCFlight Chief   SPOSupply Officer
FCWFrench Civilian Worker   Sq, SqdSquadron
FO, F/OField Order   TACTactical Air Command
FRFrom   trfdTransferred
FRTFront Line   TRSTransferred
FRTLNTFront Line Tour   TSOTechnical Supply Officer
GGunner (God Bless Em)   TTYTeleType
GAJGroup Adjutant   TWXTeletypewriter Exchange Service
GCGround Crew   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.
GCOGroup Commanding Officer   USAAFUnites States Army Air Force
GDSGroup Dental Surgeon   V1Jet-propelled flying bomb, developed by Germany. German name "Vergeltungswaffe Eins" (Vengence Weapon One, V1), "Fieseler Fi 103 flying bomb", also nick-named "Buzz Bomb".
GEEEarly navigational system used by Allied Aircraft, originally termed code letter G (for grid), changed to GEE in July, 1940, for security reasons.   V2First ballistic missle, developed by Germany. German name "Aggragat 4", later renamed "Vergeltungswaffe 2" (Vengence Weapon Two, V2),
GO, G/OGeneral Orders   WEOWeather Officer
GP bombsGeneral Purpose bombs   WEPWeapons Officer
Gp, GrpGroup   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.
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.   WWII, WW2World War Two

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

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   F/O / Flt OFlight Officer
T/5Technician Fifth Grade   2d Lt / 2LTSecond Lieutenant
Sgt / SGTSergeant   1st Lt / 1LTFirst Lieutenant
T/4Technician Fourth Grade   Capt / CPTCaptain
S/Sgt / SSGStaff Sergeant   Maj / MAJMajor
T/3Technician Third Grade   Lt Col / LTCLieutenant Colonel
T/Sgt / TSGTechnical Sergeant   Col / COLColonel
M/Sgt / MSGMaster Sergeant   Brig Gen / BGBrigadier General
1st Sgt / 1SGFirst Sergeant   Maj Gen / MGMajor General
SMJSergeant Major   Lt Gen / LTGLieutenant General
     Gen / GENGeneral
     GAFGeneral of the Air Force
     GAGeneral of the Army
     GASGeneral of the Armies