Lockheed Martin built and flew a prototype vehicle actually some three or four years ago.
On May 8th, 2012. See this statement in context.
On May 8th, 2012. See this statement in context.
May 8th, 2012 / 10:10 a.m.
President, ISO Polar
Lockheed Martin built and flew a prototype vehicle actually some three or four years ago.
See context to find out what was said next.