Using Global Positioning System (GPS) can make our life easier and fun. There are number of fields where GPS has been used such as:
Military
It plays an important role in the military by helping to find precise targeting of military weapons such as missiles and precision guided munitions. It also provides good location awareness thus helping in controlling of forces and command. The satellites also carry nuclear detonation detectors.
Navigation
If you are someone who are likely to always get lost while driving then GPS is what you need in your car. It is used as navigation aid in cars, ships and planes. Hikers and trekkers use hand held GPS receivers to find their way. Even visually impaired people use this gadget equipment to guide their way.
Surveying
Construction workers also use for surveying the land to locate boundaries, structures, and survey markers, and for construction of roads.
Geocaching
There are also used in recreational activities like geocaching where a hand held GPS receiver is used. Geocachers use this to travel to specific longitude and latitude walking or hiking to natural locations, searching for particular objects hidden by the other geocachers.