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Length: 2 Minutes, 17 Seconds
A tactical unmanned aerial vehicle for providing close observation in hazardous situations.
Length: 2 Minutes, 1 Second
In a hyperbolic system such as LORAN, a receiver on an aircraft or ship picks up radio signals broadcast by one or more pairs of radio stations spaced hundreds of miles apart.
Portable GPS jammers are traded clandestinely and used by those who wish not to be tracked or otherwise located by GPS.
Aviation in the interwar years tested the limits of human endurance, making complex tasks like navigation highly problematic.
Pilot John W. "Jack" Frost waving from the cockpit.
John A. Pedlar and Mildred Doran posing with M. R. Lawing.
GPS-guided precision delivery system.
Seen in regular service before the September 1, 1983, shoot down of Flight 007.
