170402-N-IP743-0006 JINHAE, Republic of Korea (April 2, 2017) Equipment Operator 3rd Class Thomas Dahlke, right, and Builder 2nd Class David Perryman, both assigned to Underwater Construction Team (UCT) 2, collect soil samples at a Republic of Korea (ROK) Navy base in Jinhae, ROK, during Exercise Foal Eagle 2017. The annual, bilateral training exercise is designed to enhance the readiness of U.S. and ROK forces and their ability to work together during a crisis. (U.S. Navy photo by Chief Mass Communication Specialist Brett Cote/Released)