Automated Integrated Distress Device (AIDD)

What is the purpose of the Automatic Integrated Distress Device (AIDD)?

Appearing on camera: APL's G. Borlase, AIDD inventor, discusses the device (with its cover removed) before demonstrating the prototype on APL's pond in July 2007. Courtesy: The Johns Hopkins University Applied Physics Laboratory (Download Broadcast-Quality Quicktime of this Video )

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© 2007 The Johns Hopkins University