SHUTTLE SECURITY U.S. Air Force Senior Airman Richard Boyd provides security during a rescue training mission in preparation for the space shuttle mission STS-119 on Patrick Air Force Base, Fla., March 9, 2009. Boyd is a pararescueman assigned to the Air Force Reserve Command's 920th Rescue Wing. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 867476-W-JJX99-859.jpg Photo Gallery