U.S. Navy Petty Officers 3rd Class Caden Gene Patrick Olson Johnson, left, and Jay Mawer conduct unmanned underwater vehicle sonar searches during exercise Clear Horizon 2015 on Commander Fleet Activities Chinhae, South Korea, Nov. 9, 2015. Johnson and Mawer are explosive ordnance disposal technicians assigned to Explosive Ordnance Disposal Mobile Unit 5. The annual exercise between the U.S. and South Korean navies focuses on increasing capabilities between ships, and on mine countermeasures in international waters surrounding the Korean peninsula. U.S. Navy photo by Petty Officer 2nd Class Daniel Rolston