U.S. Navy Petty Officer 1st Class Neal Lelievre, center, and Robert Stitt, a fleet support representative, monitor the status of an unmanned underwater vehicle during Exercise Clear Horizon 2015 on Commander Fleet Activities Chinhae, South Korea, Nov. 5, 2015. Lelievre is a mineman assigned to Mobile Unit 1. U.S. Navy photo by Petty Officer 2nd Class Daniel Rolston)