washington u.s. government poise approve two long-delayed sales boeing co fighter jet qatar kuwait could announce multibillion-dollar deal president barack obama visit gulf week accord two source familiar matter deal stall amid concern raise israel equipment send gulf state could fall wrong hand use obama administration broad decision-making military aid gulf however pentagon state department sign sale 36 f-15 fighter jet qatar 24 f/a-18e/f super hornets kuwait build boeing white house expect follow suit shortly sale kuwait worth billion one qatar probably close billion source familiar matter say last hurdle get approval national security council white house say one source pentagon immediate comment senior obama administration official say administration policy comment potential arm sales formally notify congress intent sell something official say unite state commit security stability gulf region defense sales fit overall u.s. regional diplomatic strategy expect approval fighter jet sales come white house seek shore relations gulf ally increase military capabilities amid grow fear washington draw close iran aftermath nuclear deal country senior u.s. officials include navy secretary ray mabus publicly urge approval weapons sales help maintain production fourth-generation boeing fighter jet new advance lockheed martin corp f-35 fighter jet enter service come years one senior u.s. defense official say pentagon keen see boeing f-15 f/a-18 production line st. louis continue want foreclose options fourth-generation aircraft point boeing already spend hundreds millions dollars buy long-lead materials titanium prepare possible kuwaiti order f/a-18e/f super hornets separate u.s. navy order 12 jet put service unfunded priorities list submit congress navy hop congress provide fund pay boeing jet fiscal 2017 although plan include base budget request already earmark fund f/a-18e/f jet fiscal 2018. large concern boeing f-15 line set end 2019 boeing complete work large order saudi arabia unless follow-on order approve u.s. poise approve boeing fighter jet sales qatar kuwait