150430-N-QA919-007 NAVAL SUPPORT ACTIVITY BAHRAIN (April 29, 2015) - Sailors with Mobile Diving and Salvage Unit One and Explosive Ordinance Disposal Mobile Unit 11 participate in a SCUBA supervisor course. The course is intended to train and qualify divers in supervisory roles. (U.S. Navy photo by Mass Communication Specialist 3rd Class Tyler N. Thompson/Released)