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.

Biden on Thursday stood by his decision to shoot them down.

President Joe Biden said the U.S. "acted out of an abundance of caution" when ordering the shootdown of three unidentified aerial objects flying over North American airspace.

The search for parts of the downed Chinese balloon over the coast of South Carolina has ended.

The search for the debris from the Chinese spy balloon shot down off of the South Carolina coast has officially ended.

In the wake of the suspected Chinese spy balloon that was shot down on Feb. 4, the U.S. military has detected and shot down at least three other unidentified flying objects, or UFOs.

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

President Joe Biden on Thursday addressed the public for the first time after ordering the shooting down of unidentified objects flying over North American airspace.

ABC News correspondents and contributors break down remarks from President Joe Biden after he ordered a Chinese spy balloon to be shot down.

President Joe Biden on Thursday delivered remarks about the country's "response" to four aerial objects that have been shot down in recent weeks.

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

As the investigation into the three unidentified air objects continues, U.S. senators were offered a classified briefing to get more information.

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

The top spokesperson for the National Security Council joins “GMA” to talk about the wave of shootdowns of suspicious 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.

A senior administration official said President Joe Biden ordered one object to be shot down "out of an abundance of caution and at the recommendation of military leaders."

After another high-altitude object was shot down on Sunday afternoon, ABC News’ Martha Raddatz and retired Col. Steve Ganyard break down the latest string of similar incidents.

President Biden ordered to shoot down fourth unidentified object flying over North American airspace in over a week. Joint recovery operation from troops underway.

ABC News’ Elizabeth Schulze and retired Gen. Robert Abrams, an ABC News contributor, discuss the unidentified objects shot down over U.S. and Canadian airspace.

ABC News’ Stephanie Ramos spoke to retired NORAD commander Gen. Gene Renuart about how the U.S. has altered its detection systems and the significance of recently 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 has shot down three unidentified objects since Friday.

After the U.S. military shot down unidentified objects out of the sky, the Senate majority leader tells "The View" co-hosts "they will be dealt with appropriately."

An unidentified, uncrewed object was shot down over Lake Huron in Michigan Sunday. ABC News’ Ike Ejiochi reports on the questions that remain unanswered.

The latest objects shot down over North America are not comparable to a suspected Chinese spy balloon that was first spotted in late January, according to a senior U.S. official.

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.