republic-os/legal/us/code/title-50/chapter-18/section-491.md

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LegalText	50 U.S.C. § 491	Establishment and development of land-based air warning and control installations and facilities; extent of appropriation; procurement of communication services	us	united_states_code	code_section	50	WAR AND NATIONAL DEFENSE	18	AIR-WARNING SCREEN	491	50 U.S.C. § 491	current	119-100	2026-06-26	official	https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc50@119-100.zip	/us/usc/t50/s491	data/legal/raw/us/code/title-50/usc50.xml	6b33f5f6910872d2cb130c8c72c73075d681e488f8e98f75acdc59b5c508e474	708c288b5448617cab7b03b8011860274671c9aec56686858b910a06948cd7ac	3588935448ecf60081957026d809cc5d6f395f156aede5ab93b20e28f3d8c132	2026-07-04	official	legal us-code

50 U.S.C. § 491 - Establishment and development of land-based air warning and control installations and facilities; extent of appropriation; procurement of communication services

Text

The Secretary of the Air Force is authorized to establish and develop within and without the continental limits of the United States in fulfilling the air defense responsibilities of the Department of the Air Force such land-based air warning and control installations and facilities, by the construction, installation, or equipment of temporary or permanent public works, including buildings, facilities, appurtenances, utilities, and access roads, and to provide for necessary administration and planning therefor, without regard to section 3324(a) and (b) of title 31, as he may deem necessary in the interest of national security: Provided, That not to exceed $85,500,000 shall be appropriated for the construction of public works authorized by this section. The Secretary of the Air Force is authorized to procure communication services required for the semiautomatic ground environment system. No contract for such services may be for a period of more than ten years from the date communication services are first furnished under such contract. The aggregate contingent liability of the Government under the termination provisions of all contracts authorized hereunder may not exceed a total of $222,000,000 and the Government Accountability Office shall have access to such carrier records and accounts as it may deem necessary for the purpose of audit. In procuring such services, the Secretary of the Air Force shall utilize to the fullest extent practicable the facilities and capabilities of communication common carriers, including rural telephone cooperatives, within their respective service areas and for power supply, shall utilize to the fullest extent practicable, the facilities and capabilities of public utilities and rural electric cooperatives within their respective service areas. Negotiations with communication common carriers, including cooperatives, and representation in proceedings involving such carriers before Federal and State regulatory bodies where such negotiations or proceedings involve contracts authorized by this paragraph shall be in accordance with the provisions of sections 501–505 of title 40.

(Mar. 30, 1949, ch. 41, § 1, 63 Stat. 17; Aug. 3, 1956, ch. 939, title III, § 303, 70 Stat. 1012; Pub. L. 97–214, § 10(b)(4), July 12, 1982, 96 Stat. 175; Pub. L. 104–316, title I, § 128(a), Oct. 19, 1996, 110 Stat. 3841; Pub. L. 108–271, § 8(b), July 7, 2004, 118 Stat. 814.)

Notes

Editorial Notes

Codification “Section 3324(a) and (b) of title 31” substituted in text for “section 3648 of the Revised Statutes (31 U.S.C. 529)” on authority of Pub. L. 97–258, § 4(b), Sept. 13, 1982, 96 Stat. 1067, the first section of which enacted Title 31, Money and Finance. In text, “sections 501–505 of title 40” substituted for “section 201 of the Act of June 30, 1949, as amended (40 U.S.C.A. sec. 481)” on authority of Pub. L. 107–217, § 5(c), Aug. 21, 2002, 116 Stat. 1303, the first section of which enacted Title 40, Public Buildings, Property, and Works.

Amendments2004—Pub. L. 108–271 substituted “Government Accountability Office” for “General Accounting Office” in second par. 1996—Pub. L. 104–316, in third sentence of second par., struck out “no termination payment shall be final until audited and approved by” after “$222,000,000 and”, struck out “which” after “Office”, and inserted “of audit” after “for the purpose”. 1982—Pub. L. 97–214 struck out reference to sections 1136 [10 U.S.C. 4774, 9774] and 3734 [40 U.S.C. 259, 267] of the Revised Statutes. 1956—Act Aug. 3, 1956, authorized procurement of communication services required for the semiautomatic ground environment system.

Statutory Notes and Related Subsidiaries

Effective Date of 1982 AmendmentAmendment by Pub. L. 97–214 effective Oct. 1, 1982, and applicable to military construction projects, and to construction and acquisition of military family housing, authorized before, on, or after such date, see section 12(a) of Pub. L. 97–214, set out as an Effective Date note under section 2801 of Title 10, Armed Forces.