This image shows the Brilliant Pebbles interceptor in its "life jacket", which provides power, communications and basic alignment information via the star tracker. The IR seeker at the front of the pebble is left uncovered so it can look for missile launches.
Lawrence Livermore National Laboratory
circa 1990 <div style="display: none;">date QS:P,+1990-00-00T00:00:00Z/9,P1480,Q5727902</div>
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