; and . (g) Savings clause Nothing in this section shall confer, transfer, or delegate to the Secretary, the Commissioner, the Executive Assistant Commissioner for Air and Marine Operations of CBP, or the Chief of the U.S. Border Patrol any authority of the Secretary of Transportation or the Administrator of the Federal Aviation Administration relating to the use of airspace or aviation safety. (h) Definitions In this section: (1) Got away The term got away has the meaning given such term in section 1092(a)(3) of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ; 6 U.S.C. 223(a)(3) ). (2) Transit zone The term transit zone has the meaning given such term in section 1092(a)(8) of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ; 6 U.S.C. 223(a)(8) ). 1113. Border security technology program management (a) In general Subtitle C of title IV of the Homeland Security Act of 2002 ( 6 U.S.C. 231 et seq. ) is amended by adding at the end the following new section: 437. Border security technology program management (a) Major acquisition program defined In this section, the term major acquisition program means an acquisition program of the Department that is estimated by the Secretary to require an eventual total expenditure of at least $300,000,000 (based on fiscal year 2023 constant dollars) over its life-cycle cost. (b) Planning documentation For each border security technology acquisition program of the Department that is determined to be a major acquisition program, the Secretary shall— (1) ensure that each such program has a written acquisition program baseline approved by the relevant acquisition decision authority; (2) document that each such program is satisfying cost, schedule, and performance thresholds as specified in such baseline, in compliance with relevant departmental acquisition policies and the Federal Acquisition Regulation