The Defense Department may finally make a full-rate production decision for its F-35 Joint Strike Fighter before the end of the year, but operating and sustaining costs are now expected to top $1.5 trillion over the platform's lifetime. The Joint Program Office had been waiting for the completion of 64 run-for-score mission tests to make a milestone C and FRP decision, according to a Selected Acquisition Report dated December 2022 that was released Monday . That testing concluded last month,...