Belgian Prime Minister Yves Leterme arrives at Joint Base Andrews, Md., April 11, 2010. The national delegate landed at Andrews on his way to the Nuclear Security Summit hosted by President Barack Obama in Washington, D.C., which is slated for April 12 and 13. 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)