The Navy is also using ships to map and scan the sea floor for all remaining parts of the balloon, so U.S. analysts can get a full picture of what types of sensors the Chinese were using and to better understand how the balloon was able to maneuver.
The balloon debris is scattered in waters that are about 50 feet (15 meters) deep, but stretch across an area 15 football fields long and 15 football fields across, VanHerck said.
