During the last few years, the United States Air Force has been involved in an unparalleled number of peacetime contingency operations. Air National Guard (ANG) tanker and airlift assets have been heavily engaged in these operations. However, the authors of this study point out that the same level of activity is not found in the ANG fighter force even though many of these units have demonstrated a willingness to participate. Lieutenant Colonels Lucas and Johnson argue that US reliance on the Air National Guard will increase as declining defense budgets, a shrinking active fighter force, and a...