EDWARDS AIR FORCE BASE, CA -- The F-35 joint program office is considering outfitting the aircraft with an Automatic Ground Collision Avoidance System prior to the start of Block 4 modernization. Auto GCAS had been envisioned as part of the service's Block 4 follow-on modernization effort, but Lt. Col. Tucker Hamilton, commander of the 462st Flight Test Squadron, told Inside Defense the program is considering installing the upgrade prior to the start of Block 4 as part of its...