US jets use frameless bubble canopies for a 360-degree view and reduced radar signatures. Russian jets rely on framed windshields for structural reinforcement and to protect pilots from slipstreams.

Why US fighter jets use seamless bubble canopies compared to Russian jets

Why are Russian fighter jets so much cheaper than US ones? Russia's only stealth fighter SU-57, cost around $70 million per aircraft, but the F-22 Raptor costs around $350 million per aircraft. 

Why Russian jets are so much cheaper: The shocking truth about Russian fighter jets

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Why US fighter jets use seamless bubble canopies compared to Russian jets

Why Russian jets are so much cheaper: The shocking truth about Russian jets