This historical report reviews plans and policies affecting the air war in Southeast Asia. as they were discussed, reviewed, and ordered implemented in 1970 by the White House, the Office of the Secretary of Defense, the Joint Chiefs of Staff, and the Air Force. It is the fourteenth in a series of such reports published by the Office of Air Force History since 1965. In this study, the author discusses the Air Force's role in supporting the President's decisions to withdraw American ground troops from the theater and rely primarily on air power to provide continuing U.S. support to the South Vietnamese in their fight against Hanoi's military units. She examines the Washington-level decisions of early 1970 to reduce U.S. air operations while taking additional steps to strengthen Saigon's armed forces. The author also reviews the debates among Washington-level agencies on the effectiveness of the various air campaigns, and she devotes a chapter to USAF efforts to improve and modernize the Vietnamese Air Force.