The Reserve Officers’ Training Corps (ROTC) is the largest commissioning source for the U.S. Army. Although some ROTC cadets receive no scholarship assistance, other cadets receive 2-, 3-, or 4-year ROTC scholarships in exchange for incurring a military service obligation after college graduation. The Army is particularly interested in awarding 4-year scholarships to individuals who are likely to excel in ROTC and become Army leaders. This research examined how well measures of temperament, work values, and leadership knowledge predicted the performance 4-year scholarship winners in various phases of ROTC, including their ranking on a national Order of Merit Listing in their senior year of college. Measures of temperament, work values, and leader knowledge strongly predicted each of the ROTC performance metrics.