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 exerci

- Image ID: E9TYP8
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 exerci
501 collection / Alamy Stock Photo
Image ID: E9TYP8
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.