The F-35 Joint Program Office is anticipating its life-cycle sustainment cost estimate will drop 15 percent over last year's projection to approximately $780 billion. That figure considers F-35 sustainment costs over the next 50 years. The Joint Strike Fighter's deputy program executive officer, Rear Adm. Randolph Mahr, told reporters on Dec. 3 that the final projection is still in coordination within the Defense Department and will be released with the program's selected acquisition report in January. "We're working with the...