Planning Future U.S. Fighter Forces offers a general discussion on force structure and planning options the air force will most likely face over the next few years. It addresses the growing controversy over how to modernize U.S. fighter forces in the post-Cold War era--a controversy that is intensified by the critical role that airpower plays in defense strategy and its high cost. The author's purpose is to explore the many factors that will have to be evaluated in order to develop sound policy for modernization. Although new models for defense planning are needed, the writer warns against hasty and abrupt changes that may limit flexibility and choices for U.S. fighter forces in the short term.