The F-35 joint program office is implementing recommendations from a Red Team study last spring to improve the way it addresses software stability as it tests Block 3F, the next iteration of Joint Strike Fighter software. Software stability has been a challenge throughout F-35 development, primarily because of the jet's complexity. The program has largely addressed stability issues in early software versions, most recently Block 3i, but Program Executive Officer Lt. Gen. Christopher Bogdan told reporters Block 3F is a...