NASA's first major disaster, the Apollo 1 fire that killed three astronauts 45 years ago today, marked a dark day for the space agency. But it also marked the beginning of NASA's continual process of learning from its own mistakes. Full story
NBC News' Jay Barbree focuses on the darkest hour for NASA's moon effort — the Apollo 1 fire of 1967 — in an excerpt from "Moon Shot: The Inside Story of America's Apollo Moon Landings." Full story
Take a look back at the Apollo 1 fire of 1967, the lowest point of NASA's moon effort.
