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" is seen 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, 5568x3712px, 14.6Mb
- Job-ID: 32a1c540c5227091