A U.S. Navy MH-53E Sea Dragon helicopter assigned to Detachment 1, Helicopter Mine Countermeasures Squadron (HM) 14 tows sonar equipment through the water in support of exercise Clear Horizon 2014 in the East China Sea Oct. 23, 2014. Clear Horizon is an annual bilateral exercise between the U.S. and South Korean navies designed to enhance cooperation and improve capabilities in mine countermeasure operations. (U.S. Navy photo by <PERSON><PERSON>)