五角大楼被爆希望推迟海军下一代战机研发计划，优先发展空军F-47项目，美国会两院先后否决

Group 1 - The Pentagon aims to prioritize the development of the U.S. Air Force's F-47 stealth fighter project while delaying the Navy's next-generation fighter program due to concerns that parallel development could lead to delays for both projects [1][3] - Boeing and Northrop Grumman are competing to manufacture the U.S. Navy's sixth-generation carrier-based fighter F/A-XX, which will replace the aging F/A-18 Super Hornet [3] - The Pentagon requested Congress to reallocate $500 million from the Navy's stealth fighter project to support the Air Force's F-47 project, citing that simultaneous advancement of both sixth-generation fighters poses a risk of not meeting delivery timelines [3] Group 2 - The House Armed Services Committee rejected the Pentagon's request to transfer funds to the F-47 project, stating that the Pentagon had not sufficiently explained the reasons for the request [3] - The Senate Armed Services Committee included $750 million in a tax bill for the accelerated development of the F/A-XX fighter, marking the second rejection of the Pentagon's request [3] - The F-47, announced by President Trump as the next-generation air superiority fighter, is expected to replace the F-22 Raptor and is seen as crucial for U.S. air dominance in the coming decades, despite facing challenges such as technology maturity and industrial base issues [4]