U.S. Navy Mineman 2nd Class Ross Bento, left, and Mineman Seaman Benjamin Reed perform maintenance on a mine neutralization vehicle aboard the mine countermeasures ship USS Chief (MCM 14) in the East China Sea Oct. 20, 2014, in support of exercise Clear Horizon 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.