150429-N-QA919-049 NAVAL SUPPORT ACTIVITY, Bahrain (April 29, 2015) - Navy Diver 2nd Class Maxwell Maris and Explosive Ordnance Technician 3rd Class Travis Holland, both assigned to Mobile Diving and Salvage Unit One and Explosive Ordnance Disposal Mobile Unit 11, complete supervisor checks during 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)