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278 land-based naval aviation, air transport essential for naval operations, all air weapons and air techniques involved in the operations and activities of the Navy, and the entire remainder of the aeronautical organization of the Navy, together with the personnel necessary therefor. (c) The Navy shall develop aircraft, weapons, tactics, technique, organization, and equipment of naval combat and service elements. Matters of joint concern as to these functions shall be coordinated between the Army, the Air Force, and the Navy. (d) The Navy is responsible, in accordance with integrated joint mobilization plans, for the expansion of the peacetime components of the Navy to meet the needs of war. §5013. United States Marine Corps: composition; functions (a) The Marine Corps, within the Department of the Navy, shall be so organized as to include not less than three combat divisions and three air wings, and such other land combat, aviation, and other services as may be organic therein. The Marine Corps shall be organized, trained, and equipped to provide fleet marine forces of combined arms, together with supporting air components, for service with the fleet in the seizure or defense of advanced naval bases and for the conduct of such land operations as may be essential to the prosecution of a naval campaign. In addition, the Marine Corps shall provide detachments and organizations for service on armed vessels of the Navy, shall provide security detachments for the protection of naval property at naval stations and bases, and shall perform such other duties as the President may direct. However, these additional duties may not detract from or interfere with the operations for which the Marine Corps is primarily organized. (b) The Marine Corps shall develop, in coordination with the Army and the Air Force, those phases of amphibious operations that pertain to the tactics, technique, and equipment used by landing forces. (c) The Marine Corps is responsible, in accordance with integrated joint mobilization plans, for the expansion of peacetime components of the Marine Corps to meet the needs of war.
CHAPTER 505.—SECRETARY, UNDER SECRETARY, AND ASSISTANT SECRETARIES OF THE NAVY Sec.
5031. 5032. 5033. 5034. 5035.
Secretary of the Navy: responsibilities; compensation. Secretary of the Navy: powers with respect to Coast Guard. Under Secretary of the Navy: appointment; duties; compensation. Assistant Secretaries of the Navy: appointment; duties; compensation. Assistant Secretary of the Navy for Air: appointment; duties; compensation. 5036. Secretary of the Navy: succession to duties.
§5031. Secretary of the Navy: responsibilities; compensation (a) There is a Secretary of the Navy, who is the head of the Department of the Navy. H e shall administer the Department of the Navy under the direction, authority, and control of the Secretary of Defense. (b) The Secretary of the Navy shall execute such orders as h e receives from the President relative to— (1) the procurement of naval stores and material;
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