171226-N-XH787-004 U.S. 5TH FLEET AREA OF OPERATIONS (Dec. 26, 2017) Sailors prepare for the fleet replenishment oiler USNS John Lenthall (T-A-189) to come alongside the expeditionary sea base USS Lewis B. Puller (ESB-3) for an underway replenishment at sea. The Expeditionary Mobile Base platform supports Naval Amphibious Force, Task Force 51, 5th Marine Expeditionary Brigade’s 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 Fireman Rheannon Ayalacortez/Released)