Update, July 17, 2021: When it comes to NASA history, July 21 may not have the same significance as July 20, the date when Buzz Aldrin and Neil Armstrong landed on the moon in 1969. But back on July ...

Gemini VIII lifts off atop a Titan II rocket with command pilot Neil Armstrong and pilot David Scott aboard. Fifty-five years ago, on March 16, 1966, the Gemini VIII astronauts made the world’s first ...