Possible Clues:

• Rival sch. of The Citadel
• ROTC school near D.C
• Rival of The Citadel
• Rival of The Citadel: Abbr
• Southern Conf. school
• ROTC school WSW of Washington, D.C.
• Keydets' coll.
• Keydets' sch
• The Keydets' sch
• Rival of The Citadel, for short