Defense Department space policy officials told Congress in a recent report that Federal Communications Commission acceptance of Europe's Galileo positioning, navigation and timing system would help address rising concerns about resiliency in the U.S. GPS constellation. The European Commission in 2013 requested a waiver from the FCC for its Galileo Global Navigation Satellite, which would allow U.S. government and industry to access the signal within U.S. boundaries. The National Telecommunications and Information Administration determined the EC's request for a waiver...