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Why Astronauts Do Fighter Jet Training
Ever since the early days of human spaceflight, astronauts had to go through fighter jet training, just like the crew of Polaris Dawn does.
Raptor 1 vs Raptor 2: What did SpaceX change?
SpaceX is developing the Raptor engine powering Starship. See what improvements they already made going from Raptor 1 to 2 in this article.
Soviet Rocket Engines
Soviet rocket engines - this article is about their history, their development, their use and their rockets.