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USNS William McLean (T-AKE-12)
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Name: William McLean
Namesake: William McLean[1]
Awarded: 12 December 2008[2]
Builder: National Steel and Shipbuilding[2]
Laid down: 26 March 2010[2]
Launched: 16 April 2011[3]
Sponsored by: Margaret Taylor[3]
Acquired: 28 September 2011
Status: Undergoing sea trials
Badge: USNS William McLean T-AKE-12 Crest
General characteristics
Class & type: Lewis and Clark-class cargo ship
Displacement: 23,852 tons light,
40,298 tons full,
16,446 tons dead[2]
Length: 210 m (689 ft) overall,
199.3 m (654 ft) waterline[2]
Beam: 32.3 m (106 ft) extreme,
32.3 m (106 ft) waterline[2]
Draft: 9.1 m (30 ft) maximum,
9.4 m (31 ft) limit[2]
Propulsion: Integrated propulsion and ship service electrical system, with generation at 6.6 kV by FM/MAN B&W diesel generators; one fixed pitch propeller; bow thruster[2]
Speed: 20 knots (37 km/h)
Range: 14,000 nautical miles at 20 kt
(26,000 km at 37 km/h)
Capacity: • Max dry cargo weight:
  5,910 long tons (6,005 t)
• Max dry cargo volume:
  783,000 cubic feet (22,000 m³)
• Max cargo fuel weight:
  2,350 long tons (2,390 t)
• Cargo fuel volume:
  18,000 barrels (2,900 m³)
  (DFM: 10,500) (JP5:7,500)
Complement: 0 military, 130 civilian[2]
Electronic warfare
& decoys:
Nulka decoy launchers (space allocated but not installed)
Armament: 2–6 × 12.7 mm machine guns
or 7.62 mm medium machine guns
Aircraft carried: two helicopters, either Sikorsky MH-60S Knighthawk or Aerospatiale Puma

USNS William McLean (T-AKE-12) is a Lewis and Clark-class dry cargo ship of the United States Navy, named in honor of William McLean, a United States Navy physicist, who conceived and developed the heat-seeking Sidewinder missile. The contract to build William McLean was awarded to National Steel and Shipbuilding Company on 12 December 2008.[2] William McLean was launched on 16 April 2011, sponsored by Dr. McLean's niece, Margaret Taylor.[3] The ship was delivered to the Military Sealift Command (MSC) on 28 September 2011.[4]


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