Page:United States Statutes at Large Volume 61 Part 1.djvu/869

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H80rCONG. , 1ST SESS.-CH. 512 -AUG. 7,1947 convening of the board. Their total shall be equal to the number of vacancies existing among such officers in the grade of rear admiral plus the estimated number of such vacancies which will occur during the ensuing twelve-month period and minus the number of such officers then on the promotion list. Within and to such total the Secretary of the Navy shall allocate such numbers to any or all of the named categories as he shall determine to be necessary to meet the requirements of the Navy. (5) The number to be furnished the board in respect to the tempo- fofcrs dei rary promotion of officers designated for engineering duty from a grade below captain shall be determined by the Secretary of the Navy as of the date of the convening of the board as necessary to meet the needs of the service. Such number shall not exceed the number of such officers in the promotion zone in the grade concerned nor be less than the product of that number and a fraction which for each such grade shall have as its numerator a number equal to the number of ine officers in the same grade, not restricted in the performance of duty, which may be recommended for temporary promotion to the next higher grade in the same fiscal year, and as its denominator a number equal to the number of line officers, not restricted in the per- formance of duty, in the promotion zone of the grade concerned in such year. (6) The number to be furnished the board in respect to the tempo- foI iero rary promotion of officers designated for aeronautical engineering gineering dat duty from a grade below captain shall be determined by the Secretary of the Navy as of the date of the convening of the board as necessary to meet the needs of the service. Such number shall not exceed the number of such officers in the promotion zone in the grade concerned nor be less than the product of that number and a fraction which for each such grade shall have as its numerator a number equal to the number of line officers in the same grade, not restricted in the per- formance of duty, which may be recommended for temporary promo- tion to the next higher grade in the same fiscal year, and as its denominator a number equal to the number of line officers, not restricted in the performance of duty, in the promotion zone of the grade con- cerned in such year. (7) The number to be furnished the board in respect to the tern- ,,,,, dtet porary promotion of officers designated for special duty fronm a grade below captain shall be determined by the Secretary of the Navy as of the date of the convening of the board as necessary to meet the needs of the service. Such number shall not exceed the number of such officers in the promotion zone in the grade concerned nor be less than the product of that number and a fraction which for each such grade shall have as its numerator a number equal to the number of line officers in the same grade, not restricted in the performance of duty, which may be recommended for temporary promotion to the next higher grade in the same fiscal year, and as its denominator a number equal to the number of line officers, not restricted in the performance of duty, in the promotion zone of the grade concerned in such year. (8) The number to be furnished the board in respect to rear rea sdmd admirals not restricted in the performance of duty to be continued on the active list shall be determined by the Secretary of the Navy as of the date of the convening of the board and shall be computed by divid- ing the authorized number of such rear admirals by three and sub- tracting from the quotient thus obtained the number of such rear admirals, exclusive of those who have once failed of selection for such continuation, who shall have completed prior to the end of the preced- ing fiscal year four years of service in that grade and thirty-four years of total commissioned service, as defined in section 102 of title I of Ane, . ' ignated gduty. migated al en- gnatted y. La not uty. 61 STAT.] 845