Space Shuttle Shuttle orbiter fleet. Sources: NASA launch manifest, NASA Space Shuttle archive On January 28, 1986, "Challenger" disintegrated 73 seconds after launch due to the failure of the right SRB, killing all seven astronauts on board. The disaster was caused by low-temperature impairment of an O-ring, a mission critical seal used between segments of the SRB casing. Failure of the O-ring allowed hot combustion gases to escape from between the booster sections and burn through the adjacent external tank, causing it to explode. Repeated warnings from design engineers voicing concerns about the lack of evidence of the O-rings' safety when the
Space Shuttle America and the ride ends. The fictional events take place in 2094. The movie was shown for a short while at Six Flags Over Texas, and was made by DreamQuest Images. Outside the building that houses the queue and the ride itself is a fiberglass mock-up of a Space Shuttle orbiter that has authentic "tiles" used in actual space shuttle orbiters. The shuttle was built to the exact scale of the real STS craft , but is neither an official NASA shuttle nor capable of spaceflight. The building that shows Space Shuttle America also showed: High operating costs and dwindling popularity