The WC-135R atmospheric collection aircraft fleet routinely conducts air-sampling missions globally, including over the Far East.

Generations later, America's unique WC-135R Constant Phoenix "nuke sniffer" aircraft carries on this critical national security mission. The customized planes are poised to fly into radioactive ...

The youngest airframe, 64-14840, would be 85 years old. A 909th ARS KC-135R Stratotanker refuels F-16 Fighting Falcons near Guam during Exercise Cope North 2020. (U.S. Air Force photo by Senior ...

The KCR-135R Stratotanker was photographed flying over the Lake District on Thursday, February 13. The American military ...