11 juill. 1940 - Wartime Science & Technology/Radar & Sonar (1940-1945)
Description:
America made rapid advances and innovations in the field of radar and sonar technology. These innovations helped America's naval force take down many German and Japanese ships later on in the war, and ultimately helped America achieve victory.Ajouté au bande de temps:
Date:
11 juill. 1940
Maintenaint
~ Il y a 85 ans