• Ad hoc gp.
• Census Bureau's cabinet dept.
• ICC part: Abbr.
• It may be ad hoc (abbr.)
• Naval rank: abbr.
• Panel of experts: abbr.
• Part of FCC: abbr.
• Part of ICC
• Pt. of HUAC
• Rank below a capt.
• Rank below a capt., at sea
• USN rank
• Ways and Means is one, briefly