The F-35 Joint Strike Fighter program is significantly behind schedule, with just 51% of the aircraft available last year for combat, testing or training as opposed to the fleet's stated goal of 65%, according to a Pentagon report published today. In its annual report , the office of the acting Director of Operational Test and Evaluation Raymond O’Toole found in fiscal year 2023, "aircraft availability was slightly below that in FY-22, after declining for most of FY-21 despite reaching a...