Related Clues:

• One of the services: Abbr.
• Inst.
• Boarding sch.
• Part of U.S.N.A.: Abbr.
• Part of O.N.I.: Abbr.
• Part of A.M.P.A.S.: Abbr.
• Military sch.
• U.S.M.A. part: Abbr.
• Learning ctr.
• Part of 18-Across: Abbr.
• Like certain engineers: Abbr.
• It may be nav.
• Ens. producer
• Mil. school
• Part of USNA