Lawmakers disagree over how strongly they should push the Air Force to buy light-attack aircraft in fiscal year 2019, as the appropriations and authorization committees vary widely on how much money to offer the service for a new fleet. While the Air Force didn't request any funds for the effort in FY-19 because it lacks an acquisition strategy, lawmakers say the service projects procurement will start in FY-20 and cost nearly $2.5 billion through FY-24. Officials are determining how to...