The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest machine guns in the world.
The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest...
(00:34)Climb inside an Abrams M1A2 tank before it goes off to war and trace the tank’s journey from...
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