168 are specifically authorized by law to hold any civil office under the United States, or any instrumentality thereof, are in addition to the numbers authorized by this section. (d) Appointment to the grade of general or lieutenant general Tinder subsection (a) does not vacate the regular or reserve grade held by the officer. When his appointment under that subsection terminates, he is entitled to resume any other grade that he may then be entitled to hold. § 3067. Army Medical Service There is an Army Medical Service in the Army. cal Service consists of— (1) the Surgeon General; (2) the Assistant Surgeons General; (3) the Medical Corps; (4) the Dental Corps; (6) the Veterinary Corps; (6) the Medical Service Corps; (7) the Army Nurse Corps; and (8) the Women's Medical Specialist Corps.
The Army Medi-
§ 3068. Medical Service Corps: organization; Chief and a s s i s t a n t chiefs (a) The Medical Service Corps consists of the Chief and assistant chiefs of that corps, officers in ^ a d e s of second lieutenant through colonel, inclusive, and the following sections— (1) the Pharmacy, Supply, and Administration Section; (2) the Medical Allied Sciences Section; (3) the Sanitary Engineering Section; (4) the Optometry Section; and (5) other sections considered necessary by the Secretary of the Army. (b) The Secretary shall appoint the Chief of the Medical Service Corps from the officers of the Regular Army in that corps whose regular grade is above captain. The Chief serves during the pleasure of the Secretary. If he holds a lower regular grade, he is entitled to the rank, pay, and allowances of a colonel while so serving, without vacating his regular grade, and ranks above all other colonels in that corps. (c) The Surgeon General shall designate assistant chiefs of the Medical Service Corps from commissioned officers of the Regular Army in that corps. Each assistant chief is chief of a section and is the Surgeon General's consultant on activities relating to that section. § 3069. Army N u r s e Corps: Chief; appointment The Army Nurse Corps consists of the Chief of that corps and officers in grades of second lieutenant through lieutenant colonel. The Secretary of the Army shall appoint the Chief from the officers of the Regular Army in that corps whose regular grade is above captain and who are reconmiended by the Surgeon General. The Chief serves during the pleasure of the Secretary, but not for more than four years. She may not be reappointed. Without vacating her regular grade, she is entitled to the rank, pay, and allowances or a colonel while so serving.