Space Shuttle program the "Challenger" disaster and the "Columbia" disaster, high-profile boards convened to investigate the accidents with both committees returning praise and serious critiques to the program and NASA management. Some of the most famous of the criticisms, most of management, came from Nobel Prize winner Richard Feynman, in his report that followed his appointment to the commission responsible for investigating the "Challenger" disaster. Many other vehicles were used in support of the Space Shuttle program, mainly terrestrial transportation vehicles. Space Shuttle program The Space Shuttle program was the fourth human spaceflight program carried out by the National Aeronautics and Space Administration
Space Shuttle still has its 1983 markings and still has its name on the payload bay doors. The Space Shuttle was initially developed in the 1970s, but received many upgrades and modifications afterward to improve performance, reliability and safety. Internally, the Shuttle remained largely similar to the original design, with the exception of the improved avionics computers. In addition to the computer upgrades, the original analog primary flight instruments were replaced with modern full-color, flat-panel display screens, called a glass cockpit, which is similar to those of contemporary airliners. To facilitate construction of ISS, the internal airlocks of each orbiter except "Columbia"