180126-N-IK370-005 U.S. 5TH FLEET AREA OF OPERATIONS (Jan. 26, 2018) Military Sealift Command civilian mariner, Capt. Thomas Stoots, left, facilitates communications on the bridge of the expeditionary mobile sea base UUSS Lewis B. Puller (ESB 3) with the ship’s navigator, 2nd Mate John Kapsner. 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)