Senior Chief Minemen Robert McQuiddy, of Explosive Ordnance Disposal Expeditionary Mobile Unit 1, explains the features of the Unmanned Underwater Vehicle MK 18 Mod 1 to Nancy Harned (left), executive director, Navy Expeditionary Combat Command, in San Diego June 17, 2015. Navy EOD provides operational explosive ordnance disposal capability for location and identification, rendering safe, recovery, field evaluation, and disposal of all explosive ordnance including chemical and nuclear weapons across the globe. (U.S. Navy Photo by Mass Communications Specialist 2nd Class David Giorda/released)