US Code
CHAPTER 32— OFFICER STRENGTH AND DISTRIBUTION IN GRADE
§ 523. Authorized strengths: commissioned officers on active duty in grades of major, lieutenant colonel, and colonel and Navy grades of lieutenant commander, commander, and captain

(a)(1) Except as provided in subsection (c), of the total number of commissioned officers serving on active duty in the Army, Air Force, or Marine Corps at the end of any fiscal year (excluding officers in categories specified in subsection (b)), the number of officers who may be serving on active duty in each of the grades of major, lieutenant colonel, and colonel may not, as of the end of such fiscal year, exceed a number determined in accordance with the following table:
Total number of commissioned officers (excluding officers in categories specified in subsection (b)) on active duty:Number of officers who may be serving on active duty in grade of:
MajorLieutenant ColonelColonel
1 Table heading editorially supplied.
Army:
20,0007,7685,2531,613
25,0008,6895,6421,796
30,0009,6116,0301,980
35,00010,5326,4192,163
40,00011,4546,8072,347
45,00012,3757,1962,530
50,00013,2977,5842,713
55,00014,2187,9732,897
60,00015,1408,3613,080
65,00016,0618,7503,264
70,00016,9839,1383,447
75,00017,9039,5273,631
80,00018,8259,9153,814
85,00019,74610,3043,997
90,00020,66810,6924,181
95,00021,58911,0814,364
100,00022,51111,4694,548
110,00024,35412,2464,915
120,00026,19713,0235,281
130,00028,04013,8005,648
170,00035,41216,9087,116
Air Force:
35,0009,2167,0902,125
40,00010,0257,4782,306
45,00010,8357,8662,487
50,00011,6458,2532,668
55,00012,4548,6412,849
60,00013,2649,0293,030
65,00014,0739,4173,211
70,00014,8839,8053,392
75,00015,69310,1933,573
80,00016,50210,5823,754
85,00017,31210,9713,935
90,00018,12111,3604,115
95,00018,93111,7494,296
100,00019,74112,1384,477
105,00020,55012,5274,658
110,00021,36012,9154,838
115,00022,16913,3045,019
120,00022,97913,6925,200
125,00023,78914,0815,381
Marine Corps:
10,0002,8021,615633
12,5003,2471,768658
15,0003,6911,922684
17,5004,1352,076710
20,0004,5792,230736
22,5005,0242,383762
25,0005,4682,537787.
Space Force: 1
3,9001,016782234
4,3001,135873262
5,0001,259845315
7,0001,6591,045415
10,0002,2591,345565
(2) Except as provided in subsection (c), of the total number of commissioned officers serving on active duty in the Navy at the end of any fiscal year (excluding officers in categories specified in subsection (b)), the number of officers who may be serving on active duty in each of the grades of lieutenant commander, commander, and captain may not, as of the end of such fiscal year, exceed a number determined in accordance with the following table:
Total number of commissioned officers (excluding officers in categories specified in subsection (b)) on active duty:Number of officers who may be serving on active duty in grade of:
Lieutenant CommanderCommanderCaptain
Navy:
30,0007,6985,2692,222
33,0008,1895,5012,334
36,0008,6805,7332,447
39,0009,1725,9652,559
42,0009,6636,1972,671
45,00010,1556,4292,784
48,00010,6466,6602,896
51,00011,1366,8893,007
54,00011,6287,1213,120
57,00012,1187,3523,232
60,00012,6097,5833,344
63,00013,1007,8133,457
66,00013,5918,0443,568
70,00014,2458,3523,718
90,00017,5179,8904,467.
(3) If the total number of commissioned officers serving on active duty in an armed force (excluding officers in categories specified in subsection (b)) is between any two consecutive figures listed in the first column of the appropriate table in paragraph (1) or (2), the corresponding authorized strengths for each of the grades shown in that table for that armed force are determined by mathematical interpolation between the respective numbers of the two strengths. If the total number of commissioned officers serving on active duty in an armed force (excluding officers in categories specified in subsection (b)) is greater or less than the figures listed in the first column of the appropriate table in paragraph (1) or (2), the Secretary concerned shall fix the corresponding strengths for the grades shown in that table in the same proportion as reflected in the nearest limit shown in the table.
(b) Officers in the following categories shall be excluded in computing and determining authorized strengths under this section:(1) Reserve officers—(A) on active duty as authorized under section 115(a)(1)(B) or 115(b)(1) of this title, or excluded from counting for active duty end strengths under section 115(i) of this title;
(B) on active duty under section 10211, 10302 through 10305, or 12402 of this title or under section 708 of title 32; or
(C) on full-time National Guard duty.
(2) General and flag officers.
(3) Medical officers.
(4) Dental officers.
(5) Warrant officers.
(6) Retired officers on active duty under a call or order to active duty for 180 days or less.
(7) Retired officers on active duty under section 10(b)(2) of the Military Selective Service Act (50 U.S.C. 3809(b)(2)) for the administration of the Selective Service System.
(8) Permanent professors of the United States Military Academy and the United States Air Force Academy and professors of the United States Naval Academy who are career military professors (as defined in regulations prescribed by the Secretary of the Navy), but not to exceed 50 from any such academy.
(9) Officers who are Senior Military Acquisition Advisors under section 1725 of this title, but not to exceed 15.
(c) Whenever the number of officers serving in any grade is less than the number authorized for that grade under this section, the difference between the two numbers may be applied to increase the number authorized under this section for any lower grade.
(d) An officer may not be reduced in grade, or have his pay or allowances reduced, because of a reduction in the number of commissioned officers authorized for his grade under this section.