Related Clues:

• USNA grad, e.g.
• Cincinnati threesome
• Rank on the U.S.S. Enterprise: Abbr.
• There are two in a penny
• N.Y.P.D. figure
• USN rank
• Pair of nines?
• An NCO
• Lunch has one, dinner has two
• Some dash lengths
• ''Manon'' duet?
• Two of nine?
• Friday's rank (Abbr.)
• Lennon's trio
• Coast Guard rank: Abbr.