MIAMI -- Petty Officer 2nd Class David Ehrenzeller, an aviation maintenance technician from Coast Guard Air Station Clearwater, Fla., performs a post-flight check of an MH-60 Jayhawk helicopter in Nassau, Bahamas, May 5, 2011. Ehrenzeller was deployed to the Atlantic Undersea Test and Evaluation Center (AUTEC) on Andros Island, Bahamas, in support of Operation Bahamas, Turks and Caicos (OPBAT). U.S. Coast Guard photo by Petty Officer 2nd Class Nick Ameen.