Vice Adm. Carl Chebi (left), commander of the Naval Air Systems Command, salutes alongside outgoing Naval Air Warfare Center Aircraft Division commander, Rear Adm. John Lemmon, and incoming commander, Rear Adm. John Dougherty IV, during a change of command ceremony at Naval Air Station Patuxent River, Aug. 12. Dougherty leads the Navy's warfare center responsible for the test, evaluation, research, development and sustainment of everything flown by the Navy and Marine Corps and other warfighting technology. (U.S. Navy photo by Peter Fitzpatrick)