EOD Senior Chief Petty Officer John Hatcher, left, assigned to Explosive Ordnance Disposal Mobile Unit 1 instructs Lt. David Starkey, right, an Explosive Ordnance Disposal Clearance Diver with the United Kingdom's Royal Navy in basic rappelling during a joint training involving sailors from the United States and the United Kingdom. EODMU 1 is deployed as part of Combined Task Group 56.1, in order to support maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.