Master Chief Petty Officer Steven Cantrell, Master Chief Petty Officer of the Coast Guard, looks in a underwater window to the dive pool at the Naval Diving and Salvage Training Center in Panama City, Fla., while taking a visit to the school for Coast Guard divers, Aug. 25, 2014. Cantrell conducted a visit of the dive school and the Coast Guard units in Panama City. (U.S. Coast Guard photo by Petty Officer 3rd Class Jonathan Lally)