Pyotr Dubrov References Pyotr Dubrov Russian cosmonaut Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: International Space StationRussian cosmonaut Pyotr Dubrov and American astronaut Mark Vande Hei stayed on the station for 355 days from April 2021 to March 2022. Vande Hei broke Kelly’s record for longest American spaceflight. Read MoreRussian cosmonaut Pyotr Dubrov and American astronaut Mark Vande Hei stayed on the station for 355 days from April 2021 to March 2022. Vande Hei broke Kelly’s record for longest American spaceflight. Read More