washington u.s. defense department fiscal year 2017 budget request 145.8 million support israel include iron dome cooperative defense program accord pentagon document release tuesday iron dome system design defeat short-range missiles rocket unite state also continue help fund david sling medium-range missile interceptor set deploy year well arrow ballistic missile interceptor systems mean form multi-level shield israelis develop washington help bulwark iran ally israeli border u.s. missile defense agency fiscal 2017 budget request include 103.8 million israeli cooperative program 267.6 million fiscal 2016 plus 42 million iron dome 55 million fiscal 2016. budget forecast total spend israeli cooperative program 540 million next five years additional fund iron dome envision 42 million fiscal 2017. vice admiral jam syring director u.s. missile defense agency tell reporters agency work israel co-production agreement sign iron dome system insignificant workshare go u.s. firm decline give specific percentage share syring say unite state israel work second co-production agreement david sling program although decline give timeframe reach deal say test david sling system late last year exceed expectations raytheon co work israel state-owned rafael advance defense systems ltd iron dome david sling program syring say israel signal plan request additional fund missile defense program last year agency send budget request congress say decision fund would congress must approve budget robert scher assistant defense secretary strategy plan capabilities tell congress last year u.s. government provide billion israel work david sling missile defense program since 2001. pentagon budget request 146 million support israel defense