170411-N-CJ186-0290 POHANG, Republic of Korea (April 11, 2017) U.S. Coast Guard Maritime Enforcement 2nd Class Joe Schloss, assigned to Port Security Unit 311, and Chief Maritime Enforcement Brian Putnam, assigned to Port Security Unit 308, conduct sentry duties at the Dogu Beach, Republic of Korea during Operation Pacific Reach Exercise 2017 (OPRex17). OPRex17 is a bilateral training event designed to ensure readiness and sustain the ROK-U.S. alliance by exercising an area distribution center, an air terminal supply point, combined joint logistics over-the-shore, the use of rail, inland waterways, and the coastal lift operations to validate the operational reach concept. (U.S. Navy Combat Camera photo by Mass Communication Specialist 1st Class Torrey Lee)