Remembering Apollo 1, NASA's First Major Disaster

46 years ago today, veteran astronaut Gus Grissom, first American spacewalker Ed White, and rookie Roger Chaffee were killed in a cabin fire during an Apollo 1 launch pad test. The first majorly fatal accident in NASA's history, the fire was caused in part by the cabin's pure oxygen atmosphere and a number of other… » 1/27/13 2:00pm 1/27/13 2:00pm