James Buoy, DynCorp International transit alert contractor, guides a Marine HH-53 Pave Low helicopter from Marine Helicopter Squadron One to its staging area April 30, 2010, on the Joint Base Andrews, Md., flightline. The Marine helicopter was one of many HH-53s, as well as four MV-22 Osprey tilt rotor aircraft and two KC-130 Hercules aircraft that arrived at Andrews to pick up members from Capitol Hill for a tour with the marines as part of “Marine Day.” DynCorp International supports the flightline operations on Joint Base Andrews, and worked with members of the 316th Wing to ensure the safe transition for the visitors. (U.S. Air Force photo by Staff Sgt. Christopher Marasky)