75mm M51 Skysweeper – WalkAround

Photo gallery of a 75mm M51 Skysweeper, Skysweeper (Gun, M51, Antiaircraft or D48 Gun automatic, 75-mm T83E6, and E7, recoil mechanism, and loader rammer) was an anti-aircraft gun deployed in the early 1950s by both the U.S. Army and U.S. Air Force. It was the first such gun to combine a gun laying radar, M10 analog computer (director), and an autoloader on a single carriage.

Fonte: Wikipédia