Top 8 inventions & innovations of WWII (warhistoryonline.com)
https://i.pinimg.com/736x/ad/6e/38/ad6e38670a5da058369ab8868fcd13b9.jpg
https://media.gettyimages.com/photos/world-war-ii-american-radar-system-used-to-direct-antiaircraft-guns-picture-id92424898
https://th.bing.com/th/id/R.b20f3f886bcacf8f9b221ff6df1910da?rik=sWenCnIrpKbX0Q&riu=http%3a%2f%2fimg.gawkerassets.com%2fimg%2f197qopiqxhdp1jpg%2foriginal.jpg&ehk=rD3WIr4uKtrAHqInvdHd6pkwV19wBhKBDiqqEP%2blVzg%3d&risl=&pid=ImgRaw&r=0
https://263i3m2dw9nnf6zqv39ktpr1-wpengine.netdna-ssl.com/wp-content/uploads/2020/09/500ddd2d9635540fda6be7beae75052b-1200x0-c-default.jpg
https://images.fineartamerica.com/images-medium-large-5/penicillin-injection-world-war-ii-science-photo-library.jpg
https://3.bp.blogspot.com/-z_APcy7ecHU/Vu5vCtLv8YI/AAAAAAAAAf4/HcKb8MP7qxUt8o4sAFM7fIIjVgGrlPAUA/s1600/Atmoic-Bomb-US-.jpg
The Development of Jet Engines | Encyclopedia.com
Yes, There Actually Were Helicopters Used In World War II | SOFREP