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DESCRIPTION

The family of mortar systems provides fire support to the maneuver unit commander and is employed in all combat formations. The two mounted variants are the M121 120mm mortar, used on the M1064A3 Mortar Carrier, and the 120mm Recoiling Mortar System, used on the M1129 and M1252 Stryker Mortar Carriers. The M120A1 120mm Towed Mortar System is the dismounted variant. The Mortar Fire Control System (MFCS) is the digital fire control for 120mm mortars that provides the warfighter improvements in command and control of mortar fires and the speed of employment, accuracy and survivability of mortars. The M95/M96 MFCS – Mounted (MFCS-M), used on the M1064A3, M1129, M1252, and M1287 mortar carriers; the M150/M151 MFCS-Dismounted (MFCS-D), is integral to the M120A1 Towed Mortar System, combine a fire control computer with an inertial navigation pointing system, allowing crews to fire in less than a minute greatly improving mortar lethality and accuracy, and crew survivability. The Lightweight M252A1 81 mm Mortar System and Lightweight M224A1 60 mm Mortar System have been qualified and are in production and fielding. The M252A1 weighs 20 percent less and the M224A1 weighs 13 percent less than their legacy counterparts, yet maintain the same capability.  All of the mortar systems fire a full family of ammunition including high-explosive, infrared and visible light illumination, smoke, and training mortar cartridges.

The M32 and M32A1 Lightweight Handheld Mortar Ballistic Computers have a tactical modem and embedded Global Positioning System, allowing mortar crews to send and receive digital call-for-fire messages, calculate ballistic solutions for all mortar weapons and ammunition. The next generation Android-based M32A2 Mortar Application is under development to work with NETT Warrior End User Device.  The XM395 Accelerated Precision Mortar Initiative (APMI) achieved an Urgent Materiel Release in March 2011.

APMI has been deployed and used in combat since June 2011.

BENEFIT TO THE SOLDIER

Mortar Systems provide the maneuver commander rapid, responsive, hip-pocket indirect fires in support of combat operations.

SPECIFICATIONS:

M120A1/M121 120mm Mortar:

  • Maximum Range (meters): 7,240 (with standard fuze)
  • Ammunition: War reserve HE (M934A1), White Phosphorus (WP) smoke (M929), visible light illumination (M930), infrared illumination (M983), war reserve and training (M933A1), and Full-Range Practice (FRP) (M931). HEGM is in development.

M252A1 81mm Mortar:

  • Maximum Range (meters): 5,935
  • Ammunition: War reserve HE (M821A3), red phosphorus smoke (M819), visible light illumination (M853A1), infrared illumination (M816), war reserve and training HE (M889A4), and FRP (M879A1).

M224A1 60mm Mortar:

  • Maximum Range (meters): 3,489
  • Ammunition: War reserve HE (M720A2/M1061), WP smoke (M722A1), visible light Illumination (M721), infrared illumination (M767), war reserve and training HE (M768A1), and FRP (M769).

PROGRAM STATUS

  • M120A1 – Production & Deployment
  • M121 (M1064) – Sustainment
  • M121 (M1287) – Production & Deployment
  • M252A1 – Production & Deployment
  • M224A1 – Production & Deployment
  • M150/M151 – Production & Deployment
  • M95/M96 – Production & Deployment
  • M32 – Sustainment
  • M32A1 – Production & Deployment
  • M32A2 – Development

PROJECTED ACTIVITIES

  • FY19: Fielding of M32A1
  • FY20: Fielding of the 81mm Lightweight Mortar (M252A1)
  • FY20: Full Materiel Release for the 81mm HE M821A4

Foreign Military Sales

  • M224A1 60mm Mortar
  • M252A1 81mm Mortar
  • M32A1 LHMBC
  • M720A2 60mm HE
  • M768 60mm HE
  • M768A1 60mm HE
  • M769 60mm TNG
  • M722A1 60mm WP Smoke
  • M721 60mm VL Illum
  • M767 60mm IR Illum
  • M821A2 81mm HE
  • M889A1 81mm HE
  • M889A2 81mm HE
  • M879A1 81mm TNG
  • M819 81mm RP Smoke
  • M853A1 81mm VL Illum
  • M816 81mm IR Illum

Contractors

  • MFCS-D and MFCS-M production, fielding and installation: Elbit Systems of America (Fort Worth, TX)
  • Mortar Weapon Systems: Elbit Systems of America (Fort Worth, TX)
  • Mortar Components: Connectec (Irvine, CA)
  • M32A1 LHMBC (RTHD-2): VT Miltope (Hope Hull, AL)
  • M32A2 (Net Warrior): PM Ground Soldier (Fort Belvoir, VA)
  • 120 mm, 81 mm, and 60 mm cannons: Watervliet Arsenal (Watervliet, NY)
  • Mortar cartridge load, assemble, package: General Dynamics-OTS Canada (Repentigny, Quebec), Day & Zimmermann (Parsons, KS), Pine Bluff Arsenal (Pine Bluff, AR)
  • Mortar shell bodies: Medico Industries (Wilkes-Barre, PA)
  • Mortar Fins: MaTech Ind (Salisbury, MD), Flexible Concepts (Elkhart, IN), Gayston Corp (Miamisburg, OH)
  • Mortar Propulsion: American Ordnance (Middletown, IA), General Dynamics-OTS (Marion, IL), Nammo-Pocal Industries (Moscow, PA)
  • Mortar Explosive: BAE Systems (Holston, TN)
  • Mortar fuzes: L3 Fuzing and Ordnance Systems (Cincinnati, OH), Nammo-Pocal (Moscow, PA)