4 ms·
That wasn't the only one of that era: https://en.wikipedia.org/wiki/Lockheed_D-21 https://en.wikipedia.org/wiki/Lockheed_D-21
by jrexilius 5y ago
That wasn't the only one of that era: https://en.wikipedia.org/wiki/Lockheed_D-21 https://en.wikipedia.org/wiki/Lockheed_D-21