美国宣布六代机首飞时间

Core Viewpoint - The U.S. Air Force's first sixth-generation fighter jet, the F-47, is currently being manufactured by Boeing and is expected to make its maiden flight in 2028 [1] Group 1 - The F-47 is part of the U.S. Air Force's latest sixth-generation fighter jet program, which aims to ensure air superiority for decades [3] - Boeing Defense released a video showcasing the F-47 project, but it received criticism from viewers who expressed skepticism about its actual development [3] - The F-47 is intended to replace the F-22 Raptor and is considered crucial for the U.S. military's future air dominance [3]