US Air Force plane navigates by tiny changes in Earth's magnetic field

The US Air Force will conduct a test flight of an aircraft outfitted with a system that uses Earth’s magnetic fields to help navigate and is more difficult to interfere with than GPS

US Air Force plane navigates by tiny changes in Earth's magnetic field
The US Air Force will conduct a test flight of an aircraft outfitted with a system that uses Earth’s magnetic fields to help navigate and is more difficult to interfere with than GPS