One of the biggest challenges was writing software to integrate ADS-B with an older, less sophisticated collision-avoidance system.

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The auto industry has intensified its research on how to link cruise control, steering, brakes and the cameras and sensors used for collision-avoidance systems into an integrated system able to guide a car safely.

WSJ: But Can It Find the Perfect Parking Spot, Too?

Orcasub comes outfitted with sonar for collision avoidance, a digital long-range communications system and a 60, 000 lumen LED lighting rig.

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