A Marine Aviation Logistics Sqaudron 13 ordnance explosive specialists performs a maintenance check on freshly made Mark 82's as a part of the Integrated Training Exercise at Marine Air Ground Combat Center Twentynine Palms in January 2013. - A Marine Aviation Logistics Sqaudron 13 ordnance explosive specialists performs a maintenance check on freshly made Mark 82's as a part of the Integrated Training Exercise at Marine Air Ground Combat Center Twentynine Palms in January 2013.