What manufacturer was investigating the Wittman Big X and at one point was based in San Antonio, Texas?
Fairchild Aircraft Fairchild was an American aircraft and aerospace manufacturing company based at various times in Farmingdale, New York; Hagerstown, Maryland; and San Antonio, Texas.
AN/TPS-43 The AN/TPS-43 is a transportable 3-dimensional air search radar produced in the United States originally by Westinghouse Defense and Electronic Division, which was later purchased by Northrop-Grumman.