 Although the antenna is a radically new design from the TPS-43, the radar van itself, which houses the transmitter, receiver processors, and displays is very similar to the older TPS-43E2.It is produced in the United States originally by Westinghouse Defense and Electronic Division, which was later purchased by Northrop-Grumman.The AN/TPS-75 is the primary transportable Aerospace Control And Warning (AC&W) radar used by the United States Air Force.