EDWARDS AFB - It's not every day a four-star general turns up, even at the nation's premier flight test facility. When he does, he's going to get the full tour, from F/A 22 Raptors to the world's most famous flightline to the latest upgrades in the dining facilities. Gen. Gregory S. Martin is chief of the Air Force Materiel Command, the component of the service that provides the research, development, testing and acquisition of the nation's air arsenal. Maj. Gen. Doug Pearson, commander of Edwards, and staff provided a lightning tour for Martin on his first official visit since assuming...