Boeing WC-135 Constant Phoenix
Aircraft model
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The WC-135 Constant Phoenix is a special-purpose aircraft derived from the Boeing C-135 Stratolifter and used by the United States Air Force. Its mission is to collect samples from the atmosphere for the purpose of detecting and identifying... Wikipedia
Range: 4,000 mi
Length: 140′
Number built: 14 (10 converted C-135B, one converted EC-135C, three converted KC-135R)
Role: Atmosphere testing related to nuclear incidents
Variants: OC-135B Open Skies