Antony Blinken said he met with his Chinese counterpart at the Munich Security Conference and issued blunt warnings, including about the suspected spy balloon

The U.S military has announced that it has concluded its search for flying objects shot down over Deadhorse, Alaska, and Lake Huron.

President Joe Biden addressed his response to recent aerial objects" from the White House.

Monitoring U.S. airspace, even before the suspected Chinese balloon, includes a combination of military and other government systems watching the skies above

Below is a timeline of key moments involving the four flying objects that were seen and shot down over Alaska, Canada, Lake Huron and off the coast of South Carolina

The president has yet to extensively address the Chinese spy balloon or the three unidentified objects taken down over North American airspace.

President Joe Biden has remained largely silent about the most recent U.S. shoot-downs of unidentified objects.

White House spokesperson John Kirby told ABC's "Good Morning America" it could "take us a while" to collect and analyze debris from the downed objects.

White House press secretary Karine Jean-Pierre said Monday there's "no indication of aliens or extraterrestrial activity" with the U.S. takedowns of flying objects.

The U.S. military shot down another high-altitude object on Sunday afternoon, this one over Lake Huron, three U.S. officials confirmed to ABC News.