Rear Adm. Todd Evans (left) assumed command of the Naval Air Warfare Center Aircraft Division from Rear Adm. John Dougherty IV (right) during a change of command led by Vice Adm. Carl Chebi, commander of Naval Air Systems Command, at Naval Air Station Patuxent River, Md., June 11. Evans, a rotary test pilot and former commander of the Naval Sea Systems Command’s warfare centers, now heads naval aviation’s primary research and test organization. (U.S. Navy photo by Todd Frantom)