180126-N-IK370-002 U.S. 5TH FLEET AREA OF OPERATIONS (Jan. 26, 2018) Royal Navy HMS Sutherland (F81) conducts underway training during a vertical replenishment at sea with the expeditionary mobile sea base USS Lewis B. Puller (ESB 3). The expeditionary mobile base platform supports Naval Amphibious Force, Task Force 51, 5th Marine Expeditionary Brigade’s (TF 51/5) diverse missions that include crisis response, airborne mine countermeasures, counter-piracy operations, maritime security operations and humanitarian aid/disaster relief missions while enabling TF 51/5 to extend its expeditionary presence in the world’s most volatile regions. (U.S. Navy photo by Seaman Kailey Hopps/Released)