The RC-135 is permanently based at Offutt Air Force Base, Neb., and operated by the 55th Wing, using various forward deployment locations worldwide.

The current RC-135S aircraft trace their lineage to C-135 aircraft originally modified ... Command and permanently based at Offutt Air Force Base, Neb.. The Cobra Ball is operated by the 55th ...

The Combat Sent—one of only two in the Air Force's inventory—landed at the U.K.'s Mildenhall air base in eastern England ... Sent aircraft belong to the RC-135 family of reconnaissance ...