Christa McAuliffe a result. On January 28, 1986, McAuliffe boarded "Challenger" with the other six crew members of STS-51-L. Just 73 seconds into its flight at an altitude of 48,000 feet, the shuttle broke apart, resulting in the deaths of all seven crew members. According to NASA, it was in part because of the excitement over her presence on the shuttle that the accident had such a significant effect on the nation. Many schoolchildren were viewing the launch live, and media coverage of the accident was extensive. The Presidential Commission on the Space Shuttle "Challenger" Accident—also known as the Rogers Commission—was formed
Motor vehicle type approval the testing to the Directives and Regulations. An approval issued by one Authority will be accepted in all the Member States. If a vehicle is produced in a very small quantity (e.g. M1 maximum 75 per year), single EU Member States can grant exception on a discretionary basis, however the validity of the Type Approval is limited to the boundaries of those Nations which concede to it. Cornerstones of the Type Approval process are: A particular country’s Type Approval may consist of one or more of the following forms: There are multiple methods of type-approval: EC Whole Vehicle Type Approval