俄苏-57战机，换装后成功首飞！

Core Viewpoint - The successful test flight of the Su-57 fighter jet equipped with a fifth-generation engine marks a significant advancement in Russia's military aviation capabilities, showcasing improved performance and compliance with modern combat standards [1][3][5]. Group 1: Engine Specifications - The fifth-generation engine, designated as "Product 177," has a maximum afterburner thrust of 16,000 kgf [5]. - This engine features lower fuel consumption across all operational states and has a longer service life, significantly outperforming previous generation engines [5]. Group 2: Aircraft Capabilities - The Su-57 is a fifth-generation multi-role fighter designed to engage various aerial targets in both long-range and close combat, as well as to attack ground and naval targets while penetrating air defense systems [5]. - The aircraft has been fully validated in combat environments and meets all technical standards for fifth-generation fighters, including stealth capabilities [5].