美军一架F-35A战斗机在日本近海消失，曾发出紧急情况“7700”代码

Core Viewpoint - A U.S. Air Force F-35A fighter jet disappeared from radar near Aomori City, Japan, after issuing an emergency distress signal on January 16 [1][2][3] Group 1 - The F-35A "Lightning II" fighter jet, produced by Lockheed Martin, took off from the northern Japan Sea and flew east over Honshu, before turning south of Aomori and then northeast [3][4] - The aircraft disappeared from radar at approximately 11:09 AM Beijing time, having previously transmitted the "7700" code, which indicates a general emergency situation in aviation [3][4]