On January 27, 1967, three Apollo astronauts were killed during a routine preflight rehearsal at NASA's Kennedy Space Center.

Jan. 27 is a dark day in the world of space exploration. It’s the anniversary of the Apollo 1 fire that killed three NASA ...

The first piloted Apollo flight – called Apollo 204, though it would later be known as Apollo 1 – was intended for tests in Earth orbit, part of the eventual path to later Apollo missions going to the ...

By 1967, NASA had wrapped up the Mercury and Gemini programs and was preparing for the launch of the first Apollo-series spacecraft.