Related Clues:

• One of the services: Abbr.
• Part of U.S.N.A.: Abbr.
• Part of O.N.I.: Abbr.
• Like certain engineers: Abbr.
• Part of USNA
• Pt. of USNA
• From part of the military: Abbr.
• Like the Annapolis acad.
• Service abbr.
• Part of USNA: Abbr.
• Maritime org.
• Marine abbr.
• Of CPOs and such
• Part of 11-down: abbr.
• USNA part