Originally developed from the Tornado GR1, the F3 was introduced as a long-range interceptor aircraft to defend UK airspace.

最初从龙卷风gr1发达，F3是引入远程拦截飞机保卫英国领空。

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The BBC's diplomatic correspondent Jonathan Marcus says that, for Nato, the move will underscore the importance of using Patriots to defend Turkish airspace.

BBC: Syria fires ballistic missile at rebels, Nato says

One such means would be for Japan to honor its thus-far unfulfilled, nine year-old commitment to defend its own sea-lanes and airspace out to 1, 000 miles.

CENTERFORSECURITYPOLICY: Security Policy In The Post-Kuwait World