349th Civil Engineer Squadron holds assumption of command ceremony Published Nov. 10, 2015 By Master Sgt. Rachel Martinez 349th Public Affairs TRAVIS AIR FORCE BASE, Calif. -- Maj. Shane Lynch assumes command of the 349th Civil Engineer Squadron during an assumption of command ceremony Nov. 8, 2015, at Travis Air Force Base, Calif. Prior to assuming command, Lynch served as the 349th CES chief of operations flight.