1. Short title This Act may be cited as the Defense Acquisition Decision Making Streamlining Act of 2019 . 2. Pilot programs to streamline decision-making process for weapon systems (a) Candidate acquisition programs (1) In general Not later than 90 days after the date of the enactment of this Act, each Service Acquisition Executive shall recommend to the Secretary of Defense at least one major defense acquisition program for a skunk works pilot program as described in the Department of Defense’s Better Buying Power 3.0 memorandum. Each pilot program should include tailored measures to streamline the entire milestone decision process, with the results evaluated and reported for potential wider use. (2) Elements Each pilot program selected pursuant to paragraph (1) shall include the following elements: (A) Delineating the appropriate information needed to support milestone decisions, assuring program accountability and oversight, which should be based on the business case principles needed for well-informed milestone decisions, including user-defined requirements, reasonable acquisition and life-cycle cost estimates, and a knowledge-based acquisition plan for maturing technologies, stabilizing the program design, and ensuring key manufacturing processes are in control. (B) Developing an efficient process for providing this information to the milestone decision authority by— (i) minimizing any reviews between the program office and the different functional staff offices within each chain of command level; and (ii) establishing frequent, regular interaction between the program office and milestone decision makers, in lieu of documentation reviews, to help expedite the process. (b) Briefing Not later than 180 days after the date of the enactment of this Act, the Under Secretary of Defense for Acquisition and Sustainment shall provide to the congressional defense committees an informal briefing detailing— (1) the acquisition programs selected pursuant to subsection (a)