; and (2) a launch program, similar to the Phase Two National Security Assured Access Launch program, to be known as Lane Two , that meets all National Security Space Launch requirements, with full mission assurance, based on not fewer than 35 launches. (b) Fiscal years 2027 through 2029 With respect to the acquisition strategy for Phase 3 of the National Security Space Launch program, for fiscal years 2027 through 2029, the Secretary of Defense shall establish an accession launch program, to be known as Lane Two A , using the requirements of the program established under subsection (a)(2) based on five launches of GPS Block IIIF satellites or satellites the launches of which are complex, high-energy missions. 1602. Initial operating capability for Advanced Tracking and Launch Analysis System and system-level review (a) Advanced tracking and launch analysis system (1) Date for initial operating capability Not later than 90 days after the date of the enactment of this Act, the Secretary of the Air Force shall— (A) designate a date for the delivery of the initial operating capability for the Advanced Tracking and Launch Analysis System (ATLAS); and (B) notify the congressional defense committees of such date. (2) Effect of failure to timely deliver If the initial operating capability for ATLAS is not achieved by the date designated under paragraph (1)(A), the Secretary shall— (A) terminate the ATLAS program; (B) designate an alternative program option that provides a comparable capability to the capability intended to be provided by ATLAS; and (C) not later than 30 days after such date, notify the congressional defense committees with respect to— (i) such termination; (ii) the designated alternative program option; (iii) the justification for selecting such option