The US wouldn’t be doing this if they didn’t know something – either something has happened, or something is about to happen. From Pentagon Readies $1.2 Billion Package to Replenish Israel Air Force War Stocks:
U.S. and Israeli defense officials are hammering out details of a potential $1.2 billion arms sale to the Israel Air Force, whose inventory of front-line missiles, munitions and other expendables was depleted in the summer 2006 Lebanon War. The series of U.S. administration-proposed Foreign Military Sales (FMS), presented to Congress in four packages, breezed through the customary 50-day legislative review process that ended in late September.