The Pentagon may have found a much cheaper alternative to Patriot missiles - for less than $750,000 a shot

X-Bow received nearly $11 million under a new interceptor development contractThe new interceptor system targets a cost below $750,000 per launchPatriot missiles currently cost roughly one-fifth more than this new targetThe Pentagon has awarded X-Bow Systems almost $11 million to develop a lower-cost interceptor system under a missile defense...