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U.S. Navy Petty Officer 3rd Class Caden Gene Patrick Olson Johnson operates the Seabotix unmanned underwater vehicle during Clear Horizon 2015 on Commander Fleet Activities Chinhae, South Korea, Nov. 9, 2015. Johnson is an explosive ordnance disposal technician assigned to Explosive Ordnance Disposal Mobile Unit 5. U.S. Navy photo by Petty Officer 2nd Class Daniel Rolston

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