NEW ORLEANS - Lt. j.g. Jeffrey Jurin stands by an MH-65C Dolphin helicopter as children participating in the Science Technology Engineering Mathematics air field tour walk forward for a closer look 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.