The aircraft has terrain-following radar and GPS satellite navigation.

BBC: Profile: B-1 bomber

Within a few years, the lab developed radar systems used for naval navigation, weather prediction, and the detection of bombers and U-boats.

NEWYORKER: Groupthink

Lasting until officials give the all-clear, the modifications are being made to increase safety should there be problems with navigation systems or if radar screens go dark.

CNN: Page 4

S-class is an example, with an onboard navigation system to map your route, radar to watch the road ahead and automatic cruise control.

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