Mach 6.5 At 100K Feet…
Perhaps you remember this: or this: Roll out the TFH crowd because: “The Air Force has awarded Lockheed’s Advanced Development Projects arm a top-secret contract to develop a stealthy 4,000-mph plane capable of flying to altitudes of about 100,000 feet, with transcontinental range. The plan is to debut the craft around 2020. The new jet…