; 10 U.S.C. 3201 note prec.) and Department of Defense Instruction 5000.80, entitled Operation of the Middle Tier of Acquisition (MTA) and issued on December 30, 2019 (or a successor instruction), for the rapid fielding of satellites and associated systems for Tranche 1, Tranche 2, and Tranche 3 of the proliferated warfighter space architecture of the Space Development Agency. (b) Rapid prototyping and fielding Any tranche of satellites or associated systems developed and fielded under subsection (a) shall have a level of maturity that allows such satellites or systems to be rapidly prototyped within an acquisition program or rapidly fielded within five years of the development of an approved requirement. (c) Designation as major capability acquisition (1) In general The Under Secretary of Defense for Acquisition and Sustainment may designate a tranche described in subsection (a) as a major capability acquisition program, consistent with Department of Defense Instruction 5000.80, entitled Operation of the Middle Tier of Acquisition (MTA) and issued on December 30, 2019 (or a successor instruction). (2) Notice to Congress Not later than 90 days before the date on which a designation under paragraph (1) is made, the Under Secretary of Defense for Acquisition and Sustainment shall notify the congressional defense committees of the intent to so designate and provide a justification for such designation. 1606. Special authority for provision of commercial space launch support services (a) In general Chapter 135 of title 10, United States Code, is amended by inserting after section 2276 the following new section: 2276a. Special authority for provision of commercial space launch support services (a) In general The Secretary of a military department, pursuant to the authority provided by this section and any other provision of law, may support Federal and commercial space launch capacity on any domestic real property under the control of the Secretary through the provision of space launch support services. (b) Provision