Related Clues:

• Engr.'s specialty
• Col.'s superior
• Brig. ___
• O.T. book
• Powell or Westmoreland, e.g.: Abbr.
• Col.'s boss
• Util. bill
• Choose
• Info
• ___ Z
• Monthly bill: Abbr.
• Not spec.
• Kind of engr.
• A util.
• Mil. rank