Deep Space was a demonstration spacecraft to test advanced technologies. It was launched on October 24, 1998. It took images and spectra of all the comets and asteroids that it was sent. There were twelve technologies that were tested.

Rayman, M.D., The Successful Conclusion of the Deep Space 1 Mission: Important
                   Results without a Flashy Title, 53rd International Astronautical Congress/World
                   Space Congress, Houston, TX, IAC-02-Q.5.2.03, 10-19 October, 2002.

DEEP SPACE 1

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