Senior Airman Brian Tater, 437th Aerial Port Squadron aerial port specialist, directs the stair truck to door of the Filipino President Gloria Macapagal-Arroyo's plane, April 12, 2010, at Joint Base Andrews, Md., in support of the Nuclear Security Summit hosted by President Barack Obama in Washington, D.C., this Monday and Tuesday. The 316th Wing is leading operations to provide safe, effective, and efficient arrival and departure services for the invited guests transiting Andrews. (U.S. Air Force photo by Airman 1st Class Perry Aston) (Released)