Lieutenant Gen. Robert Allardice, 18th Air Force commander, presents the 89th Airlift Wing guidon to Col. Jacqueline Van Ovost, incoming 89 AW commander, during change of command ceremonies held Feb. 12, 2010 at Joint Base Andrews, Md. Colonel Van Ovost is coming to Andrews from the 12th Flying Training Wing, Randolph Air Force Base, Texas. (U.S. Air Force photo by Staff Sgt. Melissa Stonecipher)