301:
The second upgrade to the M110 shell is more dramatically modified from the other two variants, with thinner casing to increase the amount of filler that can be placed in the shell. The M110A2 contains 15.6 pounds (7.1 kg) of white phosphorus, which increases the duration of the smoke it
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The first upgrade to the M110 shell is only slightly modified from the original, maintaining the 14.6 pounds (6.6 kg) white phosphorus filler weight of the original with slight modifications to the release mechanisms to make the shell more reliable. It is primarily used for
302:
produces. This change makes the M110A2 ideal for target marking and large-scale obscuration missions. The M110A2 is gray with a single, yellow, horizontal band, which is standard for military smoke munitions.
225:, the original round was a 26.8-inch (68.1 cm) steel shell with a rotating band near its base and a burster rod down its center. The original shell typically contained 9.7 pounds (4.4 kg) of
276:
The HD version has not been produced since the 1960s and was never used in combat. Remaining stockpiles of the HD version are in the process of being destroyed in accordance with the
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1004:
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The original version of the shell came in two variations, one filled with mustard (HD) (projectile, gas, persistent, HD, 155 mm howitzer, M110) and one filled with
321:
262:(projectile, smoke, WP, 155 mm gun, M110). To distinguish between the two, the HD versions were gray marked with two, horizontal, green bands, like most other
237:
version was created under the same designation with 14.6 pounds (6.6 kg) of white phosphorus filler. Both versions were designed for employment by the
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for use as terrain denial (in the case of the mustard-filled versions), target-marking, and obscuration (in the case of the white phosphorus versions.)
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and small-scale screening missions. The M110A1 is gray with a single, yellow, horizontal band, which is standard for military smoke munitions.
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smoke round for marking, signaling, and screening purposes. The white phosphorus variants of the shell also have a secondary,
273:
Both versions are now considered obsolete, with the WP version seeing updated versions in later incarnations of the shell.
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via howitzer as a replacement for the World War I-era 75 mm chemical projectiles. The design was later repurposed as a
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artillery shells. The WP versions were gray with a single, horizontal, yellow band, as is standard for
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233:, which would fill the hollow space in the shell. As early as the 1960s, a
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https://www.cma.army.mil/wp-content/uploads/PCD-Chemical-Munitions.pdf
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https://www.cma.army.mil/wp-content/uploads/PCD-Chemical-Munitions.pdf
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https://www.cma.army.mil/wp-content/uploads/PCD-Chemical-Munitions.pdf
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https://www.cma.army.mil/wp-content/uploads/PCD-Chemical-Munitions.pdf
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Program
Executive Office, Assembled Chemical Weapons Alternatives
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565:
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U.S. Army
Medical Research Institute of Chemical Defense
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Unethical human experimentation in the United States
163:14.6 lb (6.6 kg) (WP, M110 and M110A1)
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248:
660:Johnston Atoll Chemical Agent Disposal System
593:U.S. Army Edgewood Chemical Biological Center
551:
558:
544:
197:. The M110 was originally designed as a
680:Tooele Chemical Agent Disposal Facility
165:15.6 lb (7.1 kg) (WP, M110A2)
31:Projectile, 155 mm howitzer, M110/A1/A2
14:
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567:United States chemical weapons program
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1067:Chemical weapons of the United States
604:U.S. Army Chemical Materials Activity
539:
24:
710:Edgewood Arsenal human experiments
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223:projectile, 155 mm howitzer, M110
1062:Chemical weapon delivery systems
278:1997 Chemical Weapons Convention
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161:9.7 lb (4.4 kg) (HD)
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151:Distilled sulfur mustard (HD)
108:War in Afghanistan (2001-2021)
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1:
526:"Chemical Reference Handbook"
498:"Chemical Reference Handbook"
459:"Chemical Reference Handbook"
445:"Chemical Reference Handbook"
431:"Chemical Reference Handbook"
367:"Chemical Reference Handbook"
353:"Chemical Reference Handbook"
327:
231:distilled sulfur mustard (HD)
767:Operation Davy Jones' Locker
670:Pine Bluff Chemical Activity
249:Design variants and markings
7:
815:Methylphosphonyl difluoride
243:M44 Self-Propelled Howitzer
201:artillery round to deliver
10:
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650:Edgewood Chemical Activity
635:Anniston Chemical Activity
143:26.8 inches (68.1 cm)
116:Operation Inherent Resolve
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804:3-Quinuclidinyl benzilate
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614:Chemical mortar battalion
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47:Place of origin
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36:
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588:U.S. Army Chemical Corps
1057:155 mm artillery shells
954:XM736 8-inch projectile
685:Umatilla Chemical Depot
512:"M110 155mm Projectile"
484:"M110 155mm Projectile"
406:"M110 155mm Projectile"
381:"M110 155mm Projectile"
253:
949:M687 155 mm projectile
919:M360 105 mm projectile
879:M121 155 mm projectile
874:M110 155 mm projectile
869:M104 155 mm projectile
665:Newport Chemical Depot
645:Deseret Chemical Depot
583:2nd Chemical Battalion
576:centers and institutes
322:M687 155 mm projectile
317:M121 155 mm projectile
312:M104 155 mm projectile
221:Officially designated
183:M110 155 mm projectile
1026:Dugway sheep incident
944:M60 105 mm projectile
934:M44 generator cluster
675:Pueblo Chemical Depot
640:Blue Grass Army Depot
623:Industrial facilities
260:white phosphorus (WP)
153:White phosphorus (WP)
978:Protective equipment
859:BLU-80/B Bigeye bomb
746:Operation Ranch Hand
655:Hawthorne Army Depot
18:M110 155mm Cartridge
929:M43 BZ cluster bomb
777:Operation Steel Box
630:Anniston Army Depot
306:Similar projectiles
140:Overall length
96:Invasion of Grenada
88:Operation Powerpack
1021:CB military symbol
772:Operation Geranium
574:Units, formations,
227:sulfur mustard (H)
122:Production history
100:Invasion of Panama
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924:M426 8-inch shell
909:M23 chemical mine
790:
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782:Operation Red Hat
715:Operation Top Hat
195:U.S. Marine Corps
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16:(Redirected from
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914:M34 cluster bomb
864:M1 chemical mine
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762:Operation CHASE
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217:Original design
187:artillery shell
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55:Service history
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1014:Related topics
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158:Filling weight
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135:Specifications
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730:Operation LAC
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239:M114 howitzer
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130:1940s–present
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71:United States
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63:1940s–present
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50:United States
49:
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39:
35:
28:
19:
899:M139 bomblet
894:M138 bomblet
889:M134 bomblet
884:M125 bomblet
873:
725:Project SHAD
696:and projects
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189:used by the
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80:World War II
1005:M1135 NBCRV
969:Weteye bomb
837:Mustard gas
739:Operational
720:Project 112
270:munitions.
92:Vietnam War
1051:Categories
939:M55 rocket
694:Operations
600:(USAMRICD)
328:References
211:incendiary
175:Timed Fuze
170:Detonation
84:Korean War
60:In service
959:MC-1 bomb
904:M2 mortar
852:Munitions
291:signaling
191:U.S. Army
172:mechanism
964:M47 bomb
821:Phosgene
810:Chlorine
755:Disposal
703:Research
264:chemical
241:and the
213:effect.
199:chemical
127:Produced
112:Iraq War
104:Gulf War
1036:MKULTRA
990:M93 Fox
528:. 1967.
500:. 1967.
461:. 1967.
447:. 1967.
433:. 1967.
369:. 1967.
355:. 1967.
148:Filling
68:Used by
796:Agents
297:M110A2
284:M110A1
185:is an
831:Sarin
995:MOPP
985:CAIS
839:(HD)
833:(GB)
817:(DF)
806:(BZ)
254:M110
193:and
181:The
76:Wars
37:Type
229:or
1053::
843:VX
826:QL
280:.
559:e
552:t
545:v
514:.
486:.
408:.
383:.
20:)
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