Search and Rescue U.S. Air Force crewmembers fly a UN-1N helicopter day and night providing search, recovery and relief of evacuees on Sept. 4, 2005. The members are assigned to the 620th Air Expeditionary Squadron at Columbus Air Force Base, Miss. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 020318-Q-JIY28-951.jpg Photo Gallery