Coast Guard Cutter Bertholf (WMSL 750) prepares to depart the port of JeJu, South Korea, prior to conducting joint exercises with the Korea coast guard in the East China Sea, March 28, 2019. The two services executed simulated interdiction and search-and-rescue drills during a capacity building exercise. U.S. Coast Guard photo by Petty Officer 1st Class Matthew S. Masaschi.