U.S. Air Force Gen. Herbert J. “Hawk” Carlisle, left, commander of Air Combat Command, passes the 25th Air Force flag to Maj. Gen. Bradford J. “B.J.” Shwedo, right, during the change of command ceremony at Joint Base San Antonio-Lackland, Texas, Aug. 3, 2015. Shwedo replaced Maj. Gen. John N. T. "Jack" Shanahan who will be assigned to the Pentagon as a following assignment. (U.S. Air Force photo by William B. Belcher/Released)