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Martin NRB-57A 'Night Intruder'

Description
  Manufacturer:Martin
  Base model:B-57
  Designation:NRB-57
  Version:A
  Nickname:Night Intruder
  Designation System:U.S. Air Force
  Designation Period:1924-Present
  Basic role:Bomber
  Modified Mission:Reconnaissance
  Status:Special Test (Permanent)

Specifications
  Length: 65' 6" 19.9 m
  Height:15' 7" 4.7 m
  Wingspan: 64' 0" 19.5 m
  Empty Weight: 26,800 lb 12,154 kg
  Max Weight: 51,000 lb 23,129 kg

Propulsion
  No. of Engines: 2
  Powerplant: Wright J65-W-5
  Thrust (each): 7,220 lb 3,274 kg

Performance
  Range: 2,300 miles 3,703 km
  Max Speed: 582 mph 937 km/h 506 kt
  Ceiling: 48,000 ft 14,630 m