21.   Another showed a Bedouin tribesman in the desert, atop a camel, balancing his laptop to determine his location with the built-in satellite navigation system.

22.   Are navigation systems available for all cars?

23.   Aside from specialized industrial applications, the technology is marketed to civilians mainly in navigation systems for boats, cars and hikers.

24.   Blackhawks have a long flight capacity, sophisticated navigation systems, platforms to mount night-vision devices, infrared scopes and powerful ground lighting.

25.   A direct satellite link allows access to a global navigation system.

26.   A glass sunroof is standard, as is a satellite-linked navigation system.

27.   --A navigation system that pinpoints your location and uses voice direction to guide you on your way.

28.   A navigation system is standard, as is an address book, a mileage log and a hands-free voice memo feature.

29.   A navigation system dominates the central console.

30.   A passenger plane landing at Memphis International Airport behind a Global Positioning System receiver that is part of a digital navigation system for airplanes.