Answer:

NCO

Answer	Crossword Clue
NCO	Cpl., e.g.
NCO	Sgt, for one
NCO	Sgt.

NCO	Sgt. Snorkel, e.g.
NCO	Sgt., for one
NCO	Cpl. or Sgt.
NCO	Drill instructor
NCO	Pvt. or sgt.
NCO	Sgt., e.g.
NCO	Corp., for one
NCO	Elvis was one from '59 to '60

NCO	Member of "the backbone of the Army," for short
NCO	Barracks boss, briefly
NCO	One may be petty: Abbr.
NCO	E-5, e.g.
NCO	Cpl. or sgt.
NCO	Sgt. or cpl.
NCO	Sgt., perhaps
NCO	Staff sgt., e.g.

NCO	Midlevel mil. leader
NCO	Lieut.'s subordinate
NCO	M.Sgt., for one
NCO	Mil. category
NCO	Agarn or O'Rourke, in "F Troop": Abbr.
NCO	Bilko, for one: Abbr.
NCO	Radar was one: Abbr.
NCO	Cpl., for one

NCO	Term not found in the West Pt. mission statement
NCO	Any U.S. Army E-4 thru E-9
NCO	Certain mil. member
NCO	U.S. Army E-6, e.g.
NCO	Sgt. maj., e.g.
NCO	Corp. or Sgt.
NCO	Mil. subordinate
NCO	Barracks VIP

NCO	Cpl., for one (abbr.)
NCO	M.Sgt., e.g.
NCO	Mil. person
NCO	PX patron, perhaps
NCO	Sgt. or Cpl.