Muilenburg held numerous management and engineering positions on various Boeing programs, including the X-32 (Boeing's entry in the Joint Strike Fighter competition); Boeing's participation in the Lockheed Martin F-22 Raptor fighter; the YAL-1 747 Airborne Laser; the High Speed Civil Transport; and the Condor unmanned reconnaissance aircraft. He was later vice president of the Boeing combat systems division and program manager for the Army Future Combat Systems program.[1] Muilenburg was president and chief executive officer of Boeing Integrated Defense Systems, later renamed Boeing Defense, Space & Security (BDS), from September 2009 to 2015.