Republic of Korea President Lee Myung-Bak's Boeing 747 lands on the flight line at Joint Base Andrews, Md., April 11, 2010, prior to the delegate's motorcade departure to Washington D.C. President Lee Myung-Bak is here to participate in the Nuclear Security Summit hosted by President Barack Obama 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)