(b)
The authorized strength of each of the following branches—
(1)
each corps of the Army Medical Department; and
in general officers on the active-duty list of the Regular Army is 5/1,000 of the authorized strength of the branch concerned in commissioned officers on the active-duty list of the Regular Army. Not more than one-half of the authorized strength in general officers in such a branch may be in a regular grade above brigadier general.