Inside the Air Force highlights

Here are the top four stories from this week's issue of Inside the Air Force:

1. As the Air Force works with the F-35 joint program office and prime contractor Lockheed Martin to re-architect the jet's Autonomic Logistics Information System, the service has been asked to consider other intervention opportunities that could lower the program's life-cycle sustainment costs.

Full story: Pentagon, JPO ask Air Force to consider additional F-35 software intervention efforts

2. The Air Force's fuel consumption decreased by 6.2 percent between fiscal years 2017 and 2018, but costs rose by $230 million during the same time frame, according to a service spokesman.

Full story: USAF reduced fuel consumption in FY-18, but costs grew by $230M

3. A February report from the Pentagon's top weapons tester highlighted several concerns about GPS III and IIIF testing simulators, claiming the program lacks sufficient resources to provide realistic threat testing. The Air Force said this week it disagrees with those conclusions.

Full story: Air Force disagrees with DOT&E assessment of GPS III, IIIF testing risks

4. ORLANDO, FL -- The Air Force confirmed Friday it has refused acceptance of two KC-46 tankers after foreign object debris was discovered on Boeing's production line.

Full story: KC-46 acceptance hold remains, Boeing to inspect tankers already delivered