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GM Defense is a division of General Motors providing military products.
GM Defense is the military product division of General Motors focusing on the defense industry needs with hydrogen fuel cell and other advanced mobility technologies. GM Defense projects include SURUS (Silent Utility Rover Universal Superstructure) an autonomous modular platform joint project with the United States Army.
ZH2 are modified Chevrolet medium and full size pickups modified for military needs. The ZH2, fitted with a hydrogen fuel cell and electric drive, has a stealthy drive system which produces a very low smoke, noise, odor and thermal signature. This allows soldiers to conduct silent watch and silent mobility missions on the battlefield. 
General Motors, the Office of Naval Research and the U.S. Naval Research Laboratory are cooperating to incorporate automotive hydrogen fuel cell systems into the next generation of Navy unmanned undersea vehicles, or UUVs. Hydrogen fuel cell technology could augment ships and subs on patrol.
|Chevrolet Colorado ZH2||Military truck||Extreme off-road-capable fuel-cell-powered electric vehicle. Based on the Chevrolet Colorado. The Colorado ZH2 is the product of a joint venture between GM and TARDEC—the U.S. Army’s Tank Automotive Research, Development, and Engineering Center.|
|SURUS - Silent Utility Rover Universal Super Structure||Modular military platform||GM-U.S. Army collaboration on a modular experimental light- and medium-duty fuel-cell truck platform. 
Autonomous fuel cell vehicle with highly modular and adaptable superstructure. Powered by Hydrotec and JOULETEC propulsion systems.
|Chevrolet Silverado ZH2||Military truck||GM has developed a new 'ZH2' hydrogen fuel cell-powered electric truck, with a next-generation engine and a Chevrolet Silverado chassis. The Silverado ZH2 can output up to 100 kW of power. |
|UUV||Unmanned Underwater Vehicle||A partnership with General Motors and the Office of Naval Research and the U.S. Naval Research Laboratory partnership for automotive hydrogen fuel cell systems into the next generation of Navy unmanned undersea vehicles, or UUVs.  The UUV leverages GM Hydrotec fuel cell technology common with the Colorado ZH2.|
The original GM Defense (founded in 1950) organization and acquired by General Dynamics in 2003 and became part of the General Dynamics Land Systems division.
Products produced by GM Defense in past include:
|MILCOTS (Militarized Commercial Off-The-Shelf (Milverado)||military truck||based on Chevrolet Silverado; now being used by the US Army under the COMBATT (Commercial Based Tactical Truck) program|
|MLVW (medium logistic vehicle, wheeled)||military truck||M54 (truck)|
|Cougar AVGP||armoured fighting vehicle||based on Mowag Piranha with Scorpion tank turret|
|Grizzly AVGP||armoured fighting vehicle||based on Mowag Piranha with Cadillac Gage turret|
|Husky AVGP||armoured fighting vehicle||based on Mowag Piranha|
|LAV-25||armoured fighting vehicle||developed from Mowag Piranha family|
|Coyote Reconnaissance Vehicle||armoured fighting vehicle||developed from LAV-25 family|
|LAV III||armoured fighting vehicle||developed from LAV-25 family|
|TRILS||Tactical Radar Identification and Location System)||based on Bison APC platform|
|Stryker||armoured fighting vehicle||based on LAV III|
With the sale to General Dynamics, only the Stryker product lines are still in production. The M54 truck is no longer in production. MILCOT is being developed under General Motors Truck division for the US Army's COMBATT program.
- US Marine Corps
- US Army National Guard
- US Army
- US Navy
- Canadian Forces
- Romanian Land Forces
- New Zealand Army
- "General Motors Launches New Military Defense Division Called GM Defense". TopSpeed.com. October 9, 2017. Retrieved October 17, 2018.
- "GM Developing Autonomous, Fuel Cell,Multi-Use Platform Called SURUS". TopSpeed.com. October 9, 2017. Retrieved October 17, 2018.
- "U.S. Army TARDEC demos ZH2 fuel cell vehicle at Schofield with 25th Infantry". Army.mil. February 8, 2018. Retrieved October 17, 2018.
- "GM and U.S. Navy Collaborating on Fuel Cell-Powered Underwater Unmanned Vehicles". GM Press Release. June 23, 2016. Retrieved October 17, 2018.
- "Chevrolet Colorado ZH2 Concept: An Experiment with an Eye toward the Military Vehicles of Tomorrow". Car and Driver. April 1, 2017. Retrieved October 17, 2018.
- "GM's view of hydrogen fuel cells: great for military use". Green Car Reports. October 11, 2017. Retrieved October 17, 2018.
- "AUSA 2018: GM develops next-generation ZH2 hydrogen fuel cell-powered truck". Jane's International Defence Review. October 10, 2018. Retrieved October 17, 2018.
- "GM fuel cells to power Navy's underwater drones". Detroit News. June 23, 2016. Retrieved October 17, 2018.
- "MISSION-READY CHEVROLET COLORADO ZH2 FUEL CELL VEHICLE BREAKS COVER AT U.S. ARMY SHOW". GM Hydrotec. October 23, 2016. Retrieved October 3, 2016.
- General Motors Launches New Military Defense Division Called GM Defense Topspeed, Mark McNabb, October 9, 2017
- GM and U.S. Navy Collaborating on Fuel Cell-Powered Underwater Unmanned Vehicles, (GM Press release) June 2016
- For Dangerous, Difficult or Demanding Situations, SURUS is Ready, GM.com, October 2018
- GM gets defense unit ready for deployment, May 12, 2018 Automotive News, Michael Wayland
- New GM product segment will focus on military, Detroit News, October 9, 2017, Ian Thibodeau
- General Motors Going Back Into the Defense Business, October 9, 2017, The Truth About Cars, Steph Willems
- GM works with Navy on underwater fuel-cell drones, Detroit Free Press, June 23, 2016, Greg Gardner
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