QUARTERLY UPDATES ON THE F-35 JOINT STRIKE FIGHTER PROGRAM.

SEC. 155. QUARTERLY UPDATES ON THE F-35 JOINT STRIKE FIGHTER PROGRAM. (a) In General.—Beginning not later than October 1, 2018, and on a quarterly basis thereafter through October 1, 2022, the Under Secretary of Defense for Acquisition and Sustainment shall provide to the congressional defense committees a briefing on the progress of the F-35 Joint Strike Fighter program. (b) Elements.—Each briefing under subsection (a) shall include, with respect to the F-35 Joint Strike Fighter program, the following elements: (1) An overview of the program schedule. (2) A description of each contract awarded under the program, including a description of the type of contract and the status of the contract. (3) An assessment of the status of the program with respect to— (A) modernization; (B) modification; (C) testing; (D) delivery; (E) sustainment; (F) program management; and (G) efforts to ensure that excessive sustainment costs do not threaten the ability of the Department of Defense to purchase the required number of aircraft.