Other sensors detected a brief power surge. Then came the first call from inside Apollo 1. It was Chaffee’s voice. And it was just one word: “Fire!” Now the calls came thick and fast.

Seventeen astronauts were lost in the Apollo 1 fire and the Challenger and Columbia space shuttle disasters. The crew of Apollo 1 during training in Florida in January 1967. From left, Virgil "Gus ...

Three Apollo I astronauts Rogers Chaffee, Edward White and Gus Grissom die due to a flash fire at a grounded space capsule in Cape Canaveral, [...] ...