John Lewis-class replenishment oiler

USNS John Lewis (T-AO-205) in 2022
Class overview
Name	John Lewis class
Builders	General Dynamics National Steel and Shipbuilding Company (NASSCO)
Preceded by	Henry J. Kaiser class
Planned	20
On order	4
Building	2
Completed	2
Active	2
General characteristics
Type	Fleet replenishment oiler
Displacement	49,850 tons full load
Length	746 ft (227.4 m)
Beam	106 ft 5 in (32.4 m)
Draft	33.5 ft (10.2 m) maximum
Propulsion	Two medium-speed Fairbanks-Morse 12V48/60CR diesel engines, two shafts, propellers
Speed	20 knots (37 km/h; 23 mph)
Endurance	6,147 nmi (11,384 km; 7,074 mi)
Complement	125 total
Electronic warfare & decoys	AN/SLQ-25A Nixie torpedo countermeasures
Armament	Multiple .50 caliber machine guns Space, weight, and power reservations for Phalanx close-in weapons systems or SeaRAM
Aviation facilities	Helicopter flight deck
Notes	5 refueling stations 2 dry cargo transfer rigs

The John Lewis class is a class of fleet replenishment oilers which began construction in September 2018.^[1] The class will comprise twenty oilers which will be operated by Military Sealift Command to provide underway replenishment of fuel and limited amounts of dry cargo to United States Navy carrier strike groups, amphibious ready groups, and other surface forces, to allow them to operate worldwide.^[2]