1) Academy attendees 2) Academy students 3) Army students 4) Brother Rat group 5) Budding officers 6) Certain students 7) Citadel inductees 8) Corps groups 9) Future officers 10) Members of the Black Knights 11) Midshipmen 12) Midshipmen rivals 13) Military school students 14) Military students 15) Military trainees Found on https://www.crosswordclues.com/clue/cadets