Frank R. Walker, 66, an Air Force civilian supporting Operation Enduring Freedom died Oct. 28 of non-combat-related medical causes at Bagram Air Field, Afghanistan. Walker, of Oklahoma City, Okla., was assigned to the 72nd Civil Engineering Directorate at Tinker AFB, Okla., the Defense Department said in a release Oct. 31. The Tulsa World reported Nov. 1 that Walker died of a heart attack, citing a Tinker spokeswoman. Walker was a project construction manager with the US Army Corps of Engineers while overseas and was on his fifth trip to Afghanistan, according to the newspaper.
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…