<p>WASHINGTON (Reuters) -Raytheon Technologies Co and Northrop Grumman Corp have won U.S. contracts to continue developing missiles to intercept hypersonic weapons, the Pentagon said on Friday.</p><p>The decision means Lockheed Martin Co., the No. 1 U.S. defense contractor, which had also been competing for a contract, has been eliminated for now from the multibillion dollar progam, but could be pulled back in at a later date.</p>