U.S. Army Yuma Proving Ground (YPG) is located in Yuma, Arizona, but has 3 major locations:

Yuma Test Center (YTC) is located at Yuma, Arizona. YTC accommodates 360 flying days per year and provides 200 miles of robust, grueling mobility test courses with extreme desert temperatures to challenge personnel and equipment in a realistic environment. 

Tropic Regions Test Center (TRTC) has facilities in Hawaii, Panama and Republic of Suriname, a sovereign state on the northeastern Atlantic coast of South America.  You will perform essential, real-world testing that cannot be duplicated in a test chamber. 

Artic Regions Test Center (ARTC) is located in Fort Greely, Alaska.  ARTC is the only Department of Defense (DoD) natural environment test facility for military systems required to operate in cold weather regions. 

U.S. Army White Sands Missile Range (WSMR) is located in White Sands New Mexico. WSMR is the Department of Defense’s (DoD) largest, fully-instrumented, open air range. Main focus areas are air defense and fire support systems; rocket and guided missile systems; integrated and precision fire control, and fire distribution systems. 

U.S. Army Redstone Test Center (RTC) is located at Redstone Arsenal, Alabama.  RTC provides superior technical expertise related to rotary and fixed wing aircraft, missiles, small rockets, unmanned vehicles, and remotely operated weapons systems.