The National Aeronautics and Space Administration (NASA) and other U.S. science research agencies operate a fleet of research aircraft and other airborne platfo

The first generation of American turbojet airliners were the industry's main players throughout the 1960s -- a decade which saw widespread acceptance of jet tra

The Douglas DC-8, which began life in the 1950s as the Douglas Model 1881, became available to airliners about a year after the first Boeing 707s. However, from