The U.S. Army Aviation and Missile Research, Development and Engineering Center (AMRDEC), part of the U.S. Army Research, Development, and Engineering Command (RDECOM), operates simulation facilities to evaluate missile components, such as seekers, in a variety of flights and countermeasures environments. It has component organizations that conduct aviation research in the development advanced technologies and new starts. AMRDEC's offices are located at the Redstone Arsenal Army post in Madison County, Alabama.