The sign accompanying the EC-135. It reads
(Airborne Command Post Relay)
The EC-135L was manufactured by Boeing Aircraft, Seattle, Washington. It was
delivered to the Air Force on 8 December 1961. Its final assignment was the
AREFW [heroicrelics: Air Refueling Wing] in January 1970. EC-135 #61-269
flew many missions in operation JUST CAUSE (Panama) as well as DESERT SHIELD
and DESERT STORM. For the latter, it performed radio relay operations leading
to the elimination of two Iraqi aircraft, 60+ tank kills, and 27 scud strikes.