The 704th Test Group at Holloman AFB, New Mexico, is a unit of Arnold Engineering and Development Complex, headquartered at Arnold AFB (AFMC), TN, which is part of the Air Force Test Center, headquartered at Edwards AFB, CA.. The Test Group's mission is to operate world-class test facilities for high speed sled track testing, navigation and guidance system testing, radar signature measurements, weapon systems flight testing, and Air Force Liaison for all AF programs tested at White Sands Missile Range (WSMR).