LOS ANGELES - A rescue helicopter crew from Coast Guard Air Station Los Angeles performs a search and rescue demonstration for families at Sector Los Angeles / Long Beach's Coast Guard Day, San Pedro, Calif., August 3, 2012Coast Guard day is the Coast Guard's official birthday, which is celebrated by active duty, auxiliary and reserve members of the Coast Guard serving home and abroad.U.S. Coast Guard photograph by Petty Officer 2nd Class Seth Johnson