190628-F-NX702-031
Lt. Col. Sean M. Higgins, Air Force Joint Test Program Office (AFJO) commander, speaks at a change of command ceremony at Nellis Air Force Base, Nev., June 28, 2019. AFJO’s mission is to generate, develop, and support joint test activities that enhance Air Force capabilities and mission effectiveness in joint operations. (U.S. Air Force photo by Airman 1st Class Dwane R. Young)