U.S. Sailors man the bridge aboard the mine countermeasures ship USS Chief (MCM 14) while preparing to release underwater training mines in the East China Sea Oct. 20, 2014, in support of exercise Clear Horizon.
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. (DoD photo by Mass Communication Specialist 1st Class Frank L. Andrews, U.S. Navy/Released). Original public domain image from Flickr