The program can be described as developing the technology and systems analogous to that required for the rapid imaging and identification, without the need for scanning or focusing of the optical receiver, of a needle moving along the surface of a haystack, where the location and type of needle on the haystack is uncertain.
http://www.theregister.co.uk/2010/01/11/darpa_needle_haystack/ via DVICE | Photo: NASA
Besides, finding a needle in the haystack is easy. Just light it on fire.