The task was merely to prepare Apollo 1 for its launch on 21 February 1967 by running through various system procedures. Chain Reaction Leads to Explosion The Mission Control Center photographed on April 13, 1970, during the fourth television transmission from the Apollo 13 mission. Astronauts die in launch pad fire A launch pad fire during Apollo program tests at Cape Canaveral, Florida, kills astronauts Virgil “Gus” Grissom, Edward H. White II, and Roger B. Chafee. Apollo 8 was the first crewed spacecraft to orbit another celestial body, while the final Apollo 17 mission marked the sixth Moon landing and the ninth crewed mission beyond low Earth orbit. The Space Shuttle Challenger disaster was a fatal incident in the United States space program that occurred on Tuesday, January 28, 1986, when the Space Shuttle Challenger (OV-099) broke apart 73 seconds into its flight, killing all seven crew members aboard. On the 50th anniversary of the Apollo 13 explosion, the NASA astronauts and Mission Control flight directors involved shared their thoughts and lessons learned in a … Five worst accidents in Nasa's history A look at past catastrophic events involving rockets used in NASA's space flights after unmanned commercial supply … Suddenly, at 18:30:54 local time (23:30:54 GMT), an unidentified electrical arc ignited the Command Module’s pure, high-pressure oxygen atmosphere that was being used to replicate conditions in orbit. The crew consisted of five NASA astronauts, one payload specialist, and a civilian schoolteacher. Apollo set several major human spaceflight milestones.It stands alone in sending crewed missions beyond low Earth orbit. 2 blows up on Apollo 13 , the third manned lunar landing mission. Apollo 13 oxygen tank explodes On April 13, 1970, disaster strikes 200,000 miles from Earth when oxygen tank No.