PALMDALE - Congressman Howard P. "Buck" McKeon on Friday toured the Palmdale Plant 42 Heritage Airpark, a collection of aircraft that were designed, produced, tested, flown or modified at the U.S. Air Force's Plant 42. The nine aircraft and a model of a B-2 Spirit were donated by various military branches and aerospace companies, and pieced together and refurbished by volunteers. "I'm impressed with their wealth of talent and dedication," Palmdale Mayor Jim Ledford told McKeon, speaking about the volunteers. "Everything here has been done by their own hands. They have such extensive knowledge of aerospace, there is nothing they...