CHINHAE, Republic of Korea (Oct. 17, 2016) Petty Officer 2nd Class Giancarlo Vanzzini, assigned to Explosive Ordnance Disposal Mobile Unit (EODMU) 1, dons the facemask of his Viper rebreather while participating in Clear Horizon (CH16) on the waters south of Korea. CH16 is a live-action exercise which enhances cooperation and improves capabilities in mine countermeasures operations, with participating nations including Republic of Korea Navy, United States, Australia, Canada, New Zealand, Philippines, Thailand, and the United Kingdom. (U.S. Navy Combat Camera Photo by Petty Officer 2nd Class Daniel Rolston/Released)