Wrong:
5.747. Membership
a.
Every warrant officer and staff or other sergeant is to be a member of the sergeants'mess of his unit, and a single member may be a dining member. Membership is optional for those holding the local rank of sergeant.
b.
Warrant officers and senior NCOs attached from other units are to be temporary members of the sergeants'messof the unit to which they are attached. Members of the AGC (RMP), AGC (MPS) and INT CORPS may be exempted from such membership when on detached duty.