Description Operation Arc Light was the 1965 deployment of B-52F Stratofortress as conventional bombers from bases in the US to Guam. Arc Light missions continued until the cessation of hostilities by all U.S. foOperation Arc Light was the 1965 deployment of B-52F Stratofortress as conventional bombers from bases in the US to Guam. Arc Light missions continued until the cessation of hostilities by all U.S. forces on August 15, 1973.... More