Boeing helped develop Israel's Arrow 3 missile defense system, which 'proved itself' during Iran's retaliatory attack

• Israel's Arrow 3 system helped intercept drones and missiles during Iran's retaliatory attack.
• Boeing helped develop the Arrow 3 system, which was funded largely by the US.
• Israel's chief military spokesman said Arrow 3 had  "proved itself" on Saturday. 

Israel intercepted the majority of the airborne drones and missiles Iran fired in its retaliatory attack on Saturday thanks to an advanced air defense system that Boeing helped develop.