US Code
CHAPTER 1201— AUTHORIZED STRENGTHS AND DISTRIBUTION IN GRADE
§ 12003. Authorized strengths: commissioned officers in an active status

(a) The authorized strengths of the Army, Navy, Air Force, and Marine Corps in reserve commissioned officers, other than commissioned warrant officers and officers on an active-duty list, in an active status are as follows:
  
Army275,000  
Air Force200,000  
Navy150,000  
Marine Corps24,500.
(b) The authorized strengths prescribed by subsection (a) may not be exceeded unless—(1) the Secretary concerned determines that a greater number is necessary for planned mobilization requirements; or
(2) the excess results directly from the operation of a nondiscretionary provision of law.

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