The amount of fuel used by the relatively new class of Littoral Combat Ships could change the Navy's requirement for 17 fleet replacement oilers, according to a report to Congress. The service's 2015 Combat Logistics Force assessment confirmed 17 fuel delivery ships "are sufficient to meet current demand and would be able to support projected presence requirements through 2020," according to a Feb. 12 report on the requirements for the Navy's new fleet replenishment oiler, referred to as T-AO(X) signed...