Lewis and Clark-class dry cargo ship

USNS Sacagawea (T-AKE 2) in 2008
Class overview
Builders	General Dynamics National Steel and Shipbuilding Company (NASSCO)
Operators	United States
Built	2001–2012
In service	2006–present
Planned	14
Completed	14
Active	14
Retired	0
General characteristics
Type	Dry cargo/Ammunition ship
Displacement	45,149 tons
Length	689 ft 0 in (210 m) overall
Beam	106 ft 0 in (32.3 m)
Draft	29.9 ft (9.12 m)
Installed power	Integrated electric propulsion, two Fairbanks-Morse/MAN Diesel 8L48/60A and two 9L48/60A diesel engines; 6.6 kV HV system, generators, motors and drives by GE Power Conversion
Propulsion	1 shaft, 2 Tandem propulsion electric motors, 33,000 shp, with fixed pitch propeller; 1 bow thruster
Speed	21 knots (39 km/h; 24 mph)
Capacity	1,388,000 cubic feet (39,300 m3) of cargo Fuel cargo: 23,450 barrels
Complement	124 civilian mariners 11 Naval personnel
Sensors and processing systems	I/J-band surface search radar I-band navigational radar
Electronic warfare & decoys	AN/SLQ-25 Nixie torpedo countermeasures[1]
Armament	Multiple .50 caliber machine guns Space, weight, and power reservations for close-in weapon systems
Aviation facilities	Two VREP/support helicopters

The Lewis and Clark class of dry cargo ship is a class of 14 underway replenishment vessels operated by the United States Navy's Military Sealift Command. The ships in the class are named after famous American explorers and pioneers.