U.S. Air Force Senior Airman James Mullen, left, operates a jammer vehicle lifting a GBU-12 Paveway II laser-guided bomb while Master Sgt. Keith Williams acts as a guide during the first day of an annual load crew competition at Atlantic City Air National Guard Base in Egg Harbor Township, N.J., Jan. 9, 2014. Mullen and Williams were both aircraft armament systems specialists assigned to the 177th Aircraft Maintenance Squadron, 177th Fighter Wing, New Jersey Air National Guard.