Reserve construction and land acquisition projects. Sec. 2603. Authorized Navy Reserve and Marine Corps Reserve construction and land acquisition projects. Sec. 2604. Authorized Air National Guard construction and land acquisition projects. Sec. 2605. Authorized Air Force Reserve construction and land acquisition projects. Sec. 2606. Authorization of appropriations, National Guard and Reserve. Title XXVII—Base Realignment and Closure Activities Sec. 2701. Authorization of appropriations for base realignment and closure activities funded through Department of Defense base closure account. Title XXIX—Overseas Contingency Operations Military Construction Sec. 2901. Authorized Navy construction and land acquisition projects. Sec. 2902. Authorized Air Force construction and land acquisition projects. Sec. 2903. Authorization of appropriations. A Department of Defense Authorizations I Procurement A Authorization of Appropriations 101. Army Funds are hereby authorized to be appropriated for fiscal year 2021 for procurement for the Army as follows: (1) For aircraft, $3,074,594,000. (2) For missiles, $3,491,507,000. (3) For ammunition, $2,777,716,000. (4) For weapons and tracked combat vehicles, $3,696,740,000. (5) For other procurement, $8,625,206,000. 102. Navy and Marine Corps Funds are hereby authorized to be appropriated for fiscal year 2021 for procurement for the Navy and Marine Corps as follows: (1) For aircraft, $17,127,378,000. (2) For shipbuilding and conversion, $19,902,757,000. (3) For ammunition procurement, Navy and Marine Corps, $883,602,000. (4) For weapons, $4,884,995,000. (5) For other procurement, $10,948,518,000. (6) For procurement, Marine Corps, $2,903,976,000. 103. Air Force and Space Force Funds are hereby authorized to be appropriated for fiscal year 2021 for procurement for the Air Force and Space Force as follows: (1) For aircraft, $17,908,145,000. (2) For missiles, $2,396,417,000. (3) For ammunition, $596,338,000. (4) For other procurement, $23,695,720,000. II Research, Development, Test, and