The U.S. Army's M Series for bombs designated air-delivered bombs used by the Army Air Forces. In WW 2, some bomb models were prefixed with "AN-", designating a common Army/Navy use. After the U.S. Air Force became a separate branch in 1947, the Army allocated only a few new numbers in this series, either to submunitions bomblets for missile/rocket warheads, or to helicopter-delivered bombs. From the 1960s onwards, the Air Force used BLU designations (covered by the Aeronautical and Support Equipment Type Designation System) for new bombs and guided bomb bodies.

Model Number	Item Name; Remarks
M1	30 lb Chemical Bomb
(2...4)	(No information)
M5	30 lb Fragmentation Bomb
(6...22)	(No information)
M23	10 lb Photoflash Bomb; variants: M23A1
(24...29)	(No information)
M30	100 lb GP Bomb; variants: AN-M30, AN-M30A1
M31	300 lb Demolition Bomb
M32	600 lb GP Bomb
M33	1100 lb GP Bomb
M34	2000 lb GP Bomb; variants: AN-M34
(35...36)	(No information)
M37	17 lb Practice Bomb
M38	100 lb Practice Bomb; variants: M38A2
(39)	(No information)
AN-M40	23 lb Fragmentation Bomb; variants: AN-M40A1
AN-M41	20 lb Fragmentation Bomb; variants: AN-M41A1
M42	20 lb Fragmentation Bomb
M43	500 lb GP Bomb; variants: AN-M43
M44	1000 lb GP Bomb; variants: AN-M44
(45)	(No information)
M46	50 lb Photoflash Bomb; variants: AN-M46
M47	100 lb Chemical/Incendiary/Smoke Bomb; variants: AN-M47, M47A1, AN-M47A2, AN-M47A3, AN-M47A4
M48	20 lb Practice Bomb
(49)	(No information)
AN-M50	4 lb Incendiary Bomb; variants: AN-M50A1, AN-M50XA1, AN-M50A2, AN-M50XA2, AN-M50XA3, AN-M50T, AN-M50TXA3, AN-M50A3
(51)	(No information)
M52 AN-M52	1000 lb AP Bomb 2 lb Incendiary Bomb; variants: M52A1, M52XA1
(53)	(No information)
AN-M54	4 lb Incendiary Bomb; variants: AN-M54X, AN-M54XA1
(55)	(No information)
AN-M56	4000 lb Light Case Demolition Bomb; variants: AN-M56A1
AN-M57	250 lb GP Bomb; variants: AN-M57A1
AN-M58	500 lb SAP Bomb; variants: AN-M58A1, AN-M58A2
AN-M59	1000 lb SAP Bomb; variants: AN-M59A1, AN-M59A2
M60	900 lb AP Bomb
M61	800 lb AP Bomb
M62	600 lb AP Bomb
M63	1400 lb AP Bomb
AN-M64	500 lb GP Bomb; variants: AN-M64A1
AN-M65	1000 lb GP Bomb; variants: AN-M65A1
AN-M66	2000 lb GP Bomb; variants: AN-M66A1, AN-M66A2
AN-M67	10 lb Incendiary Bomb
(68)	(No information)
AN-M69	6 lb Incendiary Bomb; variants: AN-M69X
M70	115 lb Chemical Bomb; variants: M70A1
M71	23 lb Practice Bomb; variants: M71A1
M72	23 lb Fragmentation Bomb; variants: M72A1
M73	23 lb Practice Bomb
AN-M74	10 lb Incendiary Bomb; variants: AN-M74A1
M75	100 lb Practice Bomb; variants: Target Identification Bomb M75A1
AN-M76	500 lb Incendiary Bomb
M77	10 lb Smoke Bomb
M78	500 lb Nonpersistent Chemical Agent Bomb; variants: AN-M78
AN-M79	1000 lb Nonpersistent Chemical Agent Bomb
(80)	(No information)
AN-M81	260 lb Fragmentation Bomb
M82	90 lb Fragmentation Bomb
M83	4 lb Fragmentation Bomb "Butterfly"
M84	100 lb Target Identification Bomb; variants: M84A1
M85	100 lb Practice Bomb
M86	120 lb Fragmentation Bomb
M87	100 lb Smoke Sreamer Bomb
AN-M88	220 lb Fragmentation Bomb
M89	250 lb Target Identification Bomb
M90	250 lb Target Identification Bomb
M91	250 lb Target Identification Bomb
(92...97)	(No information)
M98	250 lb Target Identification Bomb
(99)	(No information)
M100	250 lb Target Identification Bomb
(101...102)	(No information)
M103	2000 lb SAP Bomb
M104	100 lb Leaflet Bomb
M105	500 lb Leaflet Bomb
(106...107)	(No information)
M108	2000 lb Glide Bomb; was redesignated as GB-1 in new GB Series
M109	12000 lb HE Bomb; a.k.a. "Tallboy"; later variant was labeled M123
M110	22000 lb HE Bomb; a.k.a. "Grand Slam"
(111)	(No information)
M112	12000 lb HE Bomb; a.k.a. "Tallboy"; M109 modified for use with VB-13 guided bomb tail assembly
M113	125 lb Chemical Bomb
M114	4 lb Biological Bomblet; used in M33 Cluster Bomb
M115	500 lb Biological Bomb; anti-crop agent
M116	750 lb Fire Bomb; variants: M116A1, M116A2; very similar to Navy MK 77 MOD 0 Fire Bomb
M117	750 lb GP Bomb; variants: M117A1, M117A1E1, M117A1E2, M117A1E3, M117A2, M117A3
M118	3000 lb GP Bomb
(119)	(No information)
M120	150 lb Photoflash Bomb
M121	10000 lb HE Bomb
M122	100 lb Photoflash Bomb
M123	12000 lb HE Bomb; a.k.a. "Tallboy"
M124	250 lb Practice Bomb
M125	10 lb Chemical (GB) Bomb; variants: M125A1
M126	4 lb Incendiary Bomb; similar to AN-M50A3
(127)	(No information)
M128	80 lb Fragmentation Bomb
M129	750 lb Leaflet Bomb; variants: M129E1, M129E2
(130...133)	(No information)
M134	Chemical (Sarin) Bomblet
(135...137)	(No information)
M138	10 lb Chemical (BZ) Bomblet
M139	Chemical (Sarin) Bomblet; improved M134
(140...142)	(No information)
M143	1 lb Biological Bomblet
M144	1.75 lb Fragmentation Bomblet; similar to BLU-3/B
M145	HE Terrain-Implantation Bomb; Air-Delivered Seismic Intrusion Detector (ADSID)
M146	HE Terrain-Implantation Bomb; Helicopter-Delivered Seismic Intrusion Detector (HELOSID)

Army Nomenclature System

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Last Updated: 8 June 2024