General Motors proving grounds
General Motors operates several proving grounds.
General Motors Desert Proving Ground in Yuma County, Arizona
Aerial photograph of the GM proving grounds in Michigan
Milford Proving Ground main gate, General Motors Rd.
Opel test track in Dudenhofen
Yuma Proving Ground (YPG) is a United States Army series of environmentally specific test centers with its Yuma Test Center (YTC) being one of the largest military installations in the world. It is subordinate to the U.S. Army Test and Evaluation Command.
YTC's Ground Combat Systems test-fires a M109A6 self-propelled howitzer at a YTC artillery range.
A Royal Danish Army Piranha V infantry fighting vehicle conducts testing at YTC's water fording pit.
A M1126 infantry carrier vehicle conducting desert mobility testing at YTC
An M1 main battle tank climbs a 60° incline, part of performance testing at YTC.