Space Shuttle landing at Edwards, the orbiter was flown back to the KSC on the Shuttle Carrier Aircraft, a specially modified Boeing 747. The first orbiter, "Enterprise", was built in 1976, used in Approach and Landing Tests and had no orbital capability. Four fully operational orbiters were initially built: "Columbia", "Challenger", "Discovery", and "Atlantis". Of these, two were lost in mission accidents: "Challenger" in 1986 and "Columbia" in 2003, with a total of fourteen astronauts killed. A fifth operational (and sixth in total) orbiter, "Endeavour", was built in 1991 to replace "Challenger". The Space Shuttle was retired from service upon the conclusion
Space Shuttle (roller coaster) is held for several seconds before being released; travelling through the layout in reverse before returning being finally coming to a complete stop in the station. In December 2007, Space Shuttle had an incident when the train stalled on the Cobra Roll element of the ride. There were 25 riders during the incident which were mostly students from Batangas on an educational tour. There were no serious injuries among the students. After that, Space Shuttle was temporarily suspended for technical renovation. Since then, the ride re-opened to the public and renamed as Space Shuttle Max sponsored by Pepsi-Cola Philippines. Space