Unbelievable Sikorsky CH-53E Super Stallion Facts 25. The Super Stallion is equipped with two window-mounted .50 BMG XM218 machine guns as well as a .50 caliber GAU-21 machine gun mounted on the rear ramp that can be broken down, moved and re-installed elsewhere on the bird in under two minutes. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50