Analysis of information sources in references of the Wikipedia article "Rocket" in English language version.
Rockets appear in Arab literature in 1258 A.D., describing Mongol invaders' use of them on February 15 to capture the city of Baghdad
the government's monopoly on space travel is over
Rockets appear in Arab literature in 1258 A.D., describing Mongol invaders' use of them on February 15 to capture the city of Baghdad
The aerospace giants [Boeing Co. and Lockheed Martin Corp.] shared almost $500 million in equity profits from the rocket-making venture last year, when it still had a monopoly on the business of blasting the Pentagon's most important satellites into orbit. But since then, 'They've had us on a very short leash,' Tory Bruno, United Launch's chief executive, said.