Staff Sgt. Mario Beltran, 316th Security Forces Squadron, patrolman, scans for any threats while the motorcade for Chilean President Sebastia Pinera leaves the flight line April 11, 2010, at Joint Base Andrews on his way to the Nuclear Security Summit hosted by President Barack Obama in Washington, D.C., slated for 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.
Senior Airman Perry Aston
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