Related Clues:

• Person in the fourth grade: Abbr.
• Radar's rank: Abbr.
• U.S. Marine Corps E-6
• Upper-rank NCO
• U.S.M.C. E-8
• Capt.'s underling
• USMC NCO
• Towser, e.g., in 'Catch-22': Abbr.
• E-5 position, in the mil.
• USMC noncom
• U.S. Army E-6
• Rank below Sgt.
• Certain GI
• Certain PD rank
• Pepper's rank: abbr.