關於「F-21 fighter」標籤，搜尋引擎有相關的訊息討論：

F-21 | Lockheed Martinwww.lockheedmartin.com › en-us › products › f-21[PDF] F-21 Product Card.pdf - Lockheed Martinwww.lockheedmartin.com › dam › lockheed-martin › aero › documentsTwitter 上的NDTV："The MiG-21 Bison fighter jet of #IndianAirForce ...twitter.com › ndtv › statusWhat