The spaceport for the Explorer is being developed with Prodea (the company of Anousheh and Amir Ansari, who funded the Ansari X-Prize) in the United Arab Emirates, the Ras Al Khaimah spaceport.
•
Cosmopolis XXI was a late 2000s Russian concept launch vehicle billed as a space tourism vehicle, similar to Mojave Aerospace's Tier One program.
Khimiya i Zhizn – XXI Vek | XXI Bomber Command | Pope John XXI | Fokker D.XXI | XXI Corps (United States) | XXI Corps (United Kingdom) | XXI Corps (German Empire) | XXI Corps | Type XXI submarine | Hespèrion XXI | Cosmópolis |