The Germans and the Japanese developed radar systems during the war, though they were 'behind' the Brits and Americans. Radar countermeasures were actually a cr

The Germans and the Japanese developed radar systems during the war, though they were 'behind' the Brits and Americans. Radar countermeasures were actually a critical part of Silicon Valley's origins: https://www.youtube.com/watch?v=ZTC_RxWN_xo https://www.youtube.com/watch?v=ZTC_RxWN_xo