Criticism of the Space Shuttle program costs through amortization. Development costs were expected to be recouped through frequent access to space. These claims were made in an effort to obtain budgetary funding from the United States Congress. Beginning in 1981, the space shuttle began to be used for space travel. However, by the mid-1980s the concept of flying that many shuttle missions proved unrealistic and scheduled launch expectations were reduced 50%. Following the "Challenger" accident in 1986, missions were halted pending safety review. This hiatus became lengthy and ultimately lasted almost three years as arguments over funding and the safety of the program continued. Eventually the
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