In what seems like an alternate universe in hindsight, Russia and the European Space Agency began discussing collaboration on next-generation crewed spacecraft two decades ago. Under the agreement, Europe would have provided a service module to power a crew capsule carrying up to six passengers.

Europe ultimately decided not to pursue a crewed spacecraft project at the time, and Russia's state-backed space corporation, Roscosmos, chose to move ahead with a crewed spacecraft on its own. This project—always seemingly more of a Potemkin village than an effort encompassing real hardware—has gone under various guises over the years:

PPTS (Perspektivnaya Pilotiruemaya Transportnaya Sistema / Prospective Piloted Transport System): The initial conceptual project name used in 2009

PTK NP (Pilotiruyemy Transportny Korabl Novogo Pokoleniya / New Generation Piloted Transport Ship): The official technical designation used until 2016

Federatsiya (Federation): The official name chosen following a public contest and announced in January 2016

Orel / Oryol (Eagle): A new name adopted in September 2019 when Roscosmos was under the control of Dmitry Rogozin

Actual hardware tests, maybe?

Beyond the name…

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