U.S. Navy divers with Mobile Diving and Salvage Unit 2, Company 2-1 hold onto the diving stage as it lowers them through a water column during dive training operations with the salvage ship USNS Grapple (T-ARS 53) in Key West, Fla., Sept. 25, 2013.
The training, which certified Company 2-1 for deployment, also focused on qualifying personnel to operate different pieces of equipment and to conduct different jobs within the dive side team. (DoD photo by Mass Communication Specialist 2nd Class Michael Scichilone, U.S. Navy/Released). Original public domain image from Flickr