PUBLIC LAWS-CH. 512-AUG. 7, 1947 39 Stat. 176. 39 Stat. 171. Rank, pay, etc. Retirement In grade of brigadier general. Retirement at age 64. Ante, p. 906. Retirement in grade of colonel, etc. 41 Stat. 773. 10U. S. C. §571. AMENDMENTS TO NATIONAL DEFENSE ACT TO PROVIDE INCREASED RANK FOR CHIEF OF CHAPLAINS AND ASSISTANTS TO THE SURGEON GENERAL SEC. 519. (a) CHAPLAINS. -So much of section 15 of the National Defense Act, as amended (10 U. S . C. 234), as reads "One chaplain of rank not below that of major may be appointed by the President, by and with the advice and consent of the Senate, to be Chief of Chaplains. He shall serve as such for four years, and shall have the rank, pay, and allowances of colonel while so serving" is hereby amended to read: "There is authorized a Chief of Chaplains with the rank of major general." (b) MEDICAL DEPARTMENT.- So much of section 10 of the National Defense Act, as amended (10 U. S . C. 81), as reads "The Medical Department shall consist of one Surgeon General with the rank of major general, four assistants with the rank of brigadier general, one of whom shall be an officer in the Dental Corps," is hereby amended to read "The Medical Department shall consist of one Surgeon General with the rank of major general, one assistant with the rank of major general who shall be an officer in the Dental Corps, three assistants with the rank of major general or brigadier general, as determined by the Secretary of War, and". PROFESSORS OF THE UNITED STATES MILITARY ACADEMY SEC. 520. (a) Hereafter each of the permanent professors of the United States Military Academy, other than the dean of the Academic Board, who is the head of a department of instruction or whose service as such professor exceeds six years, shall have the rank, pay, and allowances of a colonel; and all other permanent professors shall have the rank, pay, and allowances of a lieutenant colonel: Provided, That the permanent professors who have been or may hereafter be appointed by the President from the commissioned officers of the Regular Army shall have the rank, pay, and allowances of a colonel from the date herein provided or from the date on which any promotion-list officer junior to such professor (on the promotion list on which such pro- fessor's name was carried prior to his appointment as a professor) is promoted to and appointed in the permanent grade of colonel, whlch- ever date is earlier: Providedfurther, That no back pay or allowances shall accrue hereunder. (b) When any permanent professor of the United States Military Academy, whose service as such has been long and distinguished, is retired, he may, in the discretion of the President, be placed upon the retired list in the grade of brigadier general: Provided, That no increase in pay or allowances is authorized hereby. (c) Hereafter the permanent professors of the United States Military Academy shall, unless sooner retired, be retired at the age of sixty-four years: Provided That the Secretary of War may direct the retirement of any such professor having over thirty years' commissioned service. AMRENDMENT TO RETIREMENT LAWS SEC. 521. (a) Section 5 of the Act of July 31, 1935 (49 Stat. 507), as amended (10 U. S . C. 971b), is further amended by deleting therefrom that portion which reads: "Provided further, That an promotion-list officer retired for any reason except by operation of section 24b, National Defense Act, or wholly retired, who has com- pleted twenty-eight or more years of continuous commissioned service in the Regular Army and who has failed to reach the grade of colonel by reason of the limitation on the number of promotion-list officers in the grade of colonel or by reason of the restrction of years 912 [61 STAT.