Historical Medallion🎖️ on Instagram: "January 27, 1967, Cape Canaveral. At Launch Complex 34, a ground "dress rehearsal" is underway for the Apollo program flight. Inside the sealed command module are three astronauts—Gus Grissom, Ed White, and Roger Chaffee. This isn't a full training exercise but a "plugs-out test" simulating the countdown. The crew is suited up, the cabin filled with pure oxygen at a pressure slightly above atmospheric. Suddenly, at 18:31, Chaffee's voice crackles in Mission

The Apollo 1 Fire: A Pure Oxygen Disaster | Accidents in Space | BBC Earth Science