There are no immediate plans to shoot it down, due to concerns about debris. But steps have been taken to prevent the collection of sensitive information.
The Chinese military has become significantly more aggressive and dangerous over the past five years, Gen. Mark Milley said during a trip to the Indo-Pacific.
A report by a longtime watcher of U.S., Russian and Chinese nuclear forces, said the imagery suggests that China is seeking to counter what it may view as a growing threat from the United States.