"Vulcan" and the refurbishment of the "Energia" launch pad for its launches was in progress in 1990–1993. But later on the work on this project was cancelled due to lack of funds and the collapse of the Soviet Union. See also Comparison of orbital launchers families Comparison of orbital launch systems References External links Encyclopedia Astronautica: Energia Detailed site about Energia Official energia.ru page K26 Energia page A page about Energia rocket on a site about Buran spacecraft - English translation Energia - last Moon project. (rus) english translation Space launch vehicles of the Soviet Union Soviet inventions RSC Energia