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Navigating through the sky and huge oceans is not a simple task. In fact, people are specially trained for this kind of job. Seeing through the way is not easy with dark clouds and landmarks like the seas and the vast sky. Unlike land transportation, air traffic and marine navigation do not have roads, stop lights, and pedestrian lanes.

Air and marine navigation use radars to navigate their way to the sky and seas. Radar works by using electromagnetic waves or radio waves to detect and locate moving and nonmoving objects like spacecraft, aircrafts, ships, motor vehicles, weather formations, and topography. It transmits pulses of radio waves that bounce off any objects in the path. This is also how bats find their way in the dark. Sailors, fishermen, and marines use Raymarine radar to detect ships in need for quicker search and rescue missions. Because of this radar technology, accidents and collisions are prevented both in air and marine navigation. The military defense systems make use of this technology, too.