A Timeline of the U.F.O.s That Were Shot Down

source: nytimes.com 

After a Chinese spy balloon was brought down this month

source: nytimes.com 

the U.S. has shot down at least three unidentified flying objects recently

source: nytimes.com 

The U.S. military shot down at least three unidentified flying objects 

source: nytimes.com 

United States and Canada have become hypervigilant since the balloon incursion

source: nytimes.com 

It is unclear what the objects were

source: nytimes.com 

The North American Aerospace Defense Command has adjusted its radar system 

source: nytimes.com 

  sharply raising the number of objects it detects

source: nytimes.com