Deep Space 1 was a NASA technology demonstration spacecraft which flew by an asteroid and a comet. It was part of the New Millennium Program, dedicated to testing advanced technologies.
Technicians installing ion engine No. 1 in the High Vacuum Tank in the Electric Propulsion Research Building, 1959
The fully assembled Deep Space 1
Deep Space 1 experimental solar-powered ion propulsion engine
A Small Deep Space Transponder
Deep Space 2 was a NASA space probe, part of the New Millennium Program. It included two highly advanced miniature space probes that were sent to Mars aboard the Mars Polar Lander in January 1999. The
Deep Space 1
…of the asteroid was only a partial success, the encounter with the comet retrieved valuable information. The Deep Space series was continued by the Deep Space 2 probes, which were launched in January 1999 piggybacked on the Mars Polar Lander and were intended to strike the surface of Mars (though contact was…
A Deep Space 2 probe with heatshield and mounting attached to the Mars Polar Lander
Deep Space 2 project manager Sarah Gavit with the engineering hardware of the probe
Deep Space 2 surface element