U.S. Coast Guard Cutter Bertholf (WMSL 750) crew receives fuel from the USNS Walter S. Diehl (T-AO 193) during an underway replenishment in the East China Sea, April 5, 2019. U.S. Coast Guard’s deployment of resources to the region, including the Bertholf, directly supports U.S. Foreign Policy and National Security objectives as outlined by the President in the Indo-Pacific Strategy and the National Security Strategy. U.S. Coast Guard video by Petty Officer 1st Class Matthew S. Masaschi.