In brief: This study describes the 1.5-mile test performances of 1,656 young Air Force officers, officer trainees, and cadets who were enrolled in Air Force officer training programs. More than half (51%) of the women performed in Cooper's best category (superior), and 85% were in the top two categories. However, only 25% of the men scored in the superior category, and 65% scored in the top two categories. These results indicate a relatively higher level of aerobic conditioning in the women. Only one woman (0.4%) and three men (0.2%) in the sample failed to meet the Air Force minimum requirements.