Lewis and Clark-class dry cargo ship

USNS Sacagawea (T-AKE 2) in 2008
Class overview
BuildersGeneral Dynamics National Steel and Shipbuilding Company (NASSCO)
Operators United States
Built2001–2012
In service2006–present
Planned14
Completed14
Active14
Retired0
General characteristics
TypeDry cargo/Ammunition ship
Displacement45,149 tons
Length689 ft 0 in (210 m) overall
Beam106 ft 0 in (32.3 m)
Draft29.9 ft (9.12 m)
Installed powerIntegrated 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
Propulsion1 shaft, 2 Tandem propulsion electric motors, 33,000 shp, with fixed pitch propeller; 1 bow thruster
Speed21 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 &
processing systems
  • I/J-band surface search radar
  • I-band navigational radar
Electronic warfare
& decoys
AN/SLQ-25 Nixie torpedo countermeasures
Armament
Aviation facilitiesTwo 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.