Navy to Award \$6.4 Bln Satellite Contract  WASHINGTON (Reuters) - The U.S. Navy will soon announce  whether Lockheed Martin Corp. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=LMT.N qtype=sym infotype=info qcat=news"&gt;LMT.N&lt;/A&gt; or Raytheon Co. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=RTN.N qtype=sym infotype=info qcat=news"&gt;RTN.N&lt;/A&gt;  will build a \$6.4 billion communications system to beef up  satellite services for U.S. troops, the White House and State  Department, a spokesman said on Tuesday.