Senate policymakers are showing support for major Air Force investments in their mark of fiscal year 2020 legislation, authorizing 12 additional F-35A Joint Strike Fighter aircraft, validating the service’s request to buy new fourth-generation jets and proposing additional funding for the Advanced Battle Management System and the service’s Light-Attack Aircraft experiment. The Senate Armed Services Committee's mark, which passed Wednesday, supports the procurement of 60 F-35As, but calls on the department to develop a specific plan to cut program costs,...