Michael Knowles, former vice president and general manager of the air ranges business unit within Cubic™s (NYSE: CUB) global defense segment,

Sean MacFarland, a retired U.S. Army lieutenant general, has joined General Atomics as vice president of weapons program strategic development within the

Mark Kelton, a retired senior executive of the CIA, has joined DynCorp International as senior vice president of national security

Thomas Topolski, who managed capital programs at Parsons from 1998 to 2008, has returned to the company as senior vice president of

Roy Azevedo, a nearly three-decade Raytheon (NYSE: RTN) veteran, has been appointed president of the company™s space and airborne systems

Gary Gagnon, former vice president and chief security officer at Amazon (Nasdaq: AMZN), has rejoined Mitre as VP of cyber strategy and CSO. He will

Mark Whitney, formerly chief operating officer of AECOM™s (NYSE: ACM) nuclear and environment strategic business unit, has been named general manager and

Rebecca Hazard, former vice president and associate general counsel at Riverbed, has been named general counsel and corporate secretary of the

Tim Reardon, formerly president of defense and intelligence business at Leidos (NYSE: LDOS), has joined Constellis as CEO. Reardon succeeds

Michele Evans, deputy executive vice president for Lockheed Martin™s (NYSE: LMT) aeronautics business area, has been promoted to EVP of the