NEW ORLEANS- A Coast Guard MH-65C Dolphin demonstrates hoisting capabilities at a search-and-rescue demonstration for the Science Technology Engineering and Mathematics air field tour at Naval Air Station Joint Reserve Base New Orleans, July 26, 2012. Coast Guard Air Station New Orleans has five Dolphin helicopters capable of providing two ready flight crews 24 hours a day. U.S. Coast Guard photo by Petty Officer 3rd Class Ryan Tippets.