The Defense Advanced Research Projects Agency (DARPA) is an independent agency of the U.S. Department of Defense, with a mission to prevent technological surprise to the US, and also to create technological surprise for its enemies. DARPA operates through Program managers that are hired for 3-4 years to find, fund …

RADAR offers special advantages with respect to other types of sensors including all-day, all-weather operations, long detection distance and, depending on the frequency used, penetration. Moreover, radar can often be carried by a number of platforms, spanning from classic naval and airborne to more recent space-borne, UAVs, such as drones, …