171217-N-NO166-007 U.S. 5TH FLEET AREA OF OPERATIONS (Dec. 24, 2017) Aviation Boatswains Mate (Fueling) Seth Nadeau conducts a fuel analysis while underway aboard expeditionary 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 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 Mitch Wenthe/Released)