In 1952, Sanders Associates, Inc., worked with McDonnell Aircraft Company to develop a radar using phased array concepts. This led to the PANoramic Array Radar (PANAR) contract with the U.S. Air Force. Its key design element—multibeam phased arrays—is the basis of present-day radar defense and surveillance systems.
Washington and its allies face a bottomless list of tasks, challenges, and uncertainties in every region of the globe. The geopolitical outlook has seldom been so unsettled. The good news is that some answers, at least, already are clear. Nearly...

