Weather scientists, government agencies and the military all have powerful radar systems to detect objects at a very granular level — but they filter their view depending on their mission.
Several Democrats agreed with Republicans that more information should be made available following classified briefings about the flying objects and China.
Biden’s public comments have been sparse as the U.S. works to recover wreckage of the Chinese spy balloon and three unidentified objects shot down this month.
Biden's opponents have struggled to find a narrative on the downed objects. "No one has a playbook in politics for shooting down UFOs that are not aliens," a Democratic strategist said.
After shooting down a series of flying objects, the Biden administration has given few answers about what they are, where they came from and what they were doing.
Beijing also said it had no information about three more unidentified objects that have been shot down over North America since the U.S. military downed a Chinese surveillance balloon.
The move is likely to further escalate the diplomatic row between the U.S. and China sparked by the balloon, which was shot down last weekend off the Carolina coast.
Photos by U-2 planes confirmed the presence of the equipment, and debris collected so far includes electronics. An official said what's collected is cumulatively the size of a small car.