In this handout photo released by United Aircraft Corporation (UAC), the Russian Sukhoi Su-57 fighter jet equipped with the new fifth-generation engine dubbed "Product 177" taxis on the runway during its first flight at the Zhukovsky airport outside Moscow, Russia. The flight proceeded as planned, the new engine performed reliably.
- Package: Russia Su-57 Fighter Jet Tests
- Categories: Science & Technology
- Location: Zhukovsky, Moscow region, Russia
- Event date: 22.12.2025
- Date published: 22.12.2025
- Author: Nina Padalko
- Credit: Sputnik
- Source: United Aircraft Corporation (UAC)
- Original: Digital
- Media: JPEG, 4815x3210px, 12Mb
- Job-ID: c029b7c1ab43ed7