The U.S. Army Test and Evaluation Command (ATEC) was established October 1, 1999 by the Vice Chief of Staff with the primary function of ensuring that our Soldiers go to war with weapons that work. ATEC has overall responsibility for all Army developmental and operational testing, operating from subordinate commands and test centers.
| AEC | U.S. Army Evaluation Center |
| ATC | U.S. Army Aberdeen Test Center |
| BMD OTA | Ballistic Missile Defense Operational Test Agency |
| ARTC | U.S. Army Arctic Regions Test Center |
| DPG | U.S. Army Dugway Proving Ground |
| EPG | U.S. Army Electronic Proving Ground |
| HQ ATEC | Headquarters, U.S. Army Test and Evaluation Command |
| OTC | U.S. Army Operational Test Command |
| RTC | U.S. Army Redstone Test Center |
| TRTC | U.S. Army Tropic Regions Test Center |
| WSMR | U.S. Army White Sands Missile Range |
| YPG | U.S. Army Yuma Proving Ground |
| YTC | U.S. Army Yuma Test Center |
