Long before anyone dreamed up the Next-Generation Air Transportation System—using signals ... when GCA—sometimes called PAR for Precision Approach Radar—emerged in England during World ...

The nation's aviation infrastructure is again under scrutiny, following a series of paralyzing communications and radar outages at some of the country's busiest airports. On Sunday, systems at the ...

The United States has received a powerful new radar system from Raytheon, a company known for developing military technology. This radar is the most advanced of its kind and is being added to ...