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
A WC-135 Constant Phoenix on takeoff
A WC-135B at Fairford in 1988. This aircraft later became a WC-135W.
The same aircraft seen at RAF Alconbury in 1992
61-2673 Boeing WC-135B at RIAT 1993. In this image the external air-sampling pod is visible (immediately underneath the word 'States')
Boeing OC-135B Open Skies
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The OC-135B Open Skies is a United States Air Force observation aircraft that supported the Treaty on Open Skies. The aircraft, a modified WC-135B, flew unarmed observation flights over participating
Boeing WC-135 Constant Phoenix
…Phoenix, and remains in service with the 45th Reconnaissance Squadron at Offutt Air Force Base, Nebraska. Serial no. 61-2674 was converted to the first OC-135B Open Skies observation aircraft, reentering service in 1993. It was later stored in 1997 and replaced with two additional aircraft also converted from WC-135s…
Oc 135 xxl
OC135