What You Need to Know: The Lockheed L-301, also known as the X-24C, was an ambitious experimental hypersonic aircraft project in the 1970s that aimed to build upon the advancements of the X-15 and ...

And this was demonstrated once again just late last year, when the week before Christmas saw the Pentagon deliver three gifts to Lockheed Martin worth $15.5 billion in total. The first and by far ...