A combat rescue officer assigned to the 48th Rescue Squadron descends on a fast rope during alternate insertion and extraction training at Davis-Monthan AFB, Ariz., on Nov. 13, 2013. Pararescuement and CROs participated in the exercise as part of their upgrade training. (Air Force/Sarah Ruckriegle)
As Lockheed Martin prepares to release the first F-35 Block 4 software updates this summer, the company and the Joint Program Office are already well into analyses that will decide what will comprise Block 5 and later upgrades, Lockheed’s F-35 program manager said. For now though, some of the new…