LAS VEGAS-Petty Officer 2nd Class Josh Barrio, an aviation electronics technician from Air Station San Diego and Petty Officer 1st Class Jacob Linder, an aviation maintenance technician from Coast Guard Air Station Humboldt Bay, take part in the Ground and Bond event during the AMTSociety's Aviation Maintenance Skills Competition, Las Vegas, March 7, 2012. Five members of the Coast Guard's aviation community were selected to represent the service as they tested their teamwork, mechanical and aviation knowledge against members of the Armed Services and civilian world during the Cygnus Aviation Convention at the Las Vegas Convention Center. U.S. Coast Guard photo by Petty Officer 3rd Class Seth Johnson