USAF Plans and Operations: The Air Campaign Against North Vietnam, 1966, is the seventh of a series of historical studies on the war in Southeast Asia prepared by the USAF Historical Division Liaison Office. The previous monographs covered plans, policies, and operations in the theater beginning in 1961. The current history reviews the political background and top level discussions leading to the renewed bombing campaign in early1966, the restrictions still imposed on air operations, and the positions taken on them by the military chiefs. It discusses the various studies and events which led to the President's decisionto strike at North Vietnam's oil storage facilities and the results of those mid-year attacks. It also examines the increasing effectiveness of enemy air defenses and the continuing assessments of the air campaign under way at year's end.