SIXTY-FOURTH CONGRESS. Sess. I. Ch. 417. 1916. 583 Marine Corp? shall not exceed the total number herein prescribed for _ the Naval ying Corps: Pwvidcdfudher, That the proportion of line ¤mP£’,’§?'°'°“ °' "“° officers of the Navy and of the Marine Corps thus detailed shall be the same as the proportion established for the ular services: And 0- ,,q%?23§,'l° °’°” h' gndeddfwpjther, That the student flyers herein?ter provided for shallnbe 1Fnl a diggin to the officers and enlisted men comprising the’Naval rps. ’l1'h]§officers detailed and the enlisted men of the Naval Flying Co hy °°d "u°"°°°°‘ shall receive the same pay and allowances that are now rovidedT; · law for officers and enlisted men of the same grade or ranli) and rating m tth:1 lgavy and Manne Corps detailed to duty with aircraft involving ac u ymg. _ The Secretary of the Navy is hereby authorized to appoint annually ,,3l§,° ,2} rn the lrne of the Navy and the Marine Corps for a period of two years °·°'°¤““° duty °¤lY· following the_ passage of this Act, in order of merit as determined by such competitive examinations as he may prescribe, fifteen acting ensigns or acting second lieutenants for the pgrformance of aeronautic Qmmcmm duties only. Persons so_appointed must citizens of the United ` States, and may be appointed from warrant officers or enlisted, men of the naval service or from civil life, and must, atlthe time of appoint- ’ ment, be not less than eighteen or more than twent —four years of age: Pmm Provided, That ruzperson shall be soa pointed untilhehas beenfound u·a¤¤'»i •¤¤a¤»- physically qualih by_a board of _ al officers of theblavy for the mmm performance of the dutnm Provided further That the number of such appointments to_the of the Navy and of the Marine Corps Pmuthwypdm shall be m the proggrtron decided for the regular services. Such appointments shall for a probationary period of three years a.nd masy be revoked at any time y the Secretary of the Navy. Dmm W xm, uch acting ensigns and acting second lieutenants shall be detailed iyiuz. to duiiy in the Naval Corps in aircraft involvirag actual iiying. Pmmnmm on mk Suc acting ensigns of the N avy and acting secon lieutenants of plum; panama. the Marine Corps shall, upon comp etion of the probationary period of three years, be appointed acting heutenants 0 the junior grade, or actix first lieutenants, respectively, by the Secretary of the Navy E,,,,,,,,,,,,,,,,,,,,,_ for e performance of aeronautic duties only, after satisfactorily passing such examinations as he may} prescribe, and after having been recommended for promotion by the examining board and ound A,,d,,,,,,,,,, ,,,.,,,,,,_ physically qualified by a board of medical officers of the Navy. Such ¤°¤· appointments shall be for a probationary period of four years and may be revoked at any time by the Secretary of the Navy. Chou, ,,,d,,,,,,_ Such acting lieutenants (junior grade) and acting first lieutenants may elect to qualifgr for aeronautic duty onlglor to qualify for all the duties of officers o the same grade m the avy and in the Mamie Duty wml rxymg Corps, respectively. Those officers who elect to Egualrfy for aeronautic °°'*"· duty only shall be detailed to duty in the Naval ying Corps mvolving ,,,,,,1,,. 8,,,,, 0, actual il `ng in aircraft. Those officers who elect to qualify for the duty. regular dhties of their grade shall be detailed to duty m the regular service for at least two years to allow them to prepare for such quali- Hcgtioiii t‘ li e · · ad ) .1 sag amt li t ts ··~¤···°°“"€?·¥?¤?·§'?».i¤§“ uc ac in eutenan unror gr e an ac eu enan · who have elegted to qua1ify(lor aeronautic duty only shall, upon com- Maiirrxirircoiriips. iw it pletion of the probationary period of four years, be commissioned in the grade of lieutenant of the line of the Navy or captain of the Marine Corps for aeronautic duties only, after satisfactorily passrrig such competitive examination as may be precribed by the Secretarym the Navy to determine their moral, physical, and professional %ua - cations for such commissions and the order of rank in whrc they To be um nm shall be commissioned. Such lieutenants for aeronautic duty only im. shall be borne on the list as extra numbers, taking rank with and next after officers of the same date of commission.