Tweaks To Radar System Driving Balloon Finds, US Officials Say

By Alex Willemyns

The U.S. Air Force is seeing more “airborne objects” across North America’s skies after recalibrating radars patrolling U.S. airspace, defense officials said Monday after three such objects were shot down over the weekend.

The intensified effort to scan the skies follows the U.S. Air Force’s...