Jul 102013
Lockheed artwork of a Mach 6 hypersonic transport, circa 1979. Fuel would have been liquid hydrogen. A report on this, with some quite good drawings, is available as Air Doc 3.
Lockheed artwork of a Mach 6 hypersonic transport, circa 1979. Fuel would have been liquid hydrogen. A report on this, with some quite good drawings, is available as Air Doc 3.