Does the machine gun on top of tanks have a similar system to the one that Humvees have to move the machine gun? - Quora
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File:Marines attach a .50 caliber machine gun to the top of an M1A1 Abrams tank.jpg - Wikimedia Commons
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Machine Gun Mounted On Top Of The Turret . Stock Photo, Picture And Royalty Free Image. Image 7423891.
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