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Looking back to when I was 18-19 yrs old. These bring back memories, of my old, Army days. Tanker to be sure. Although as tank crew members, we learned all th epositions..loader, gunner, driver, BOG and TC ..or tank commander.
The theory was to then assign positions to those which fit each crew member best..or what they excelled at. I was usually the gunner..
Right away, Nicholas Moran demonstrates the gunner's position first. Moran served as a tanker in Desert Storm, and the Abrams must be different than our tanks were, or he must have suffered some, because he is too tall (at 6'5") for a tanker !
Six footers had to bend over when standing in our turrets, and the driver at 6', usually settle his seat just low enough, so he could 'button up'!
I remember the white enamel interior well. Whew!..that was some smelly paint! ..But the white enamel interior was good for finding things when the, TC or loader's hatch were only opened a minimal amount.
Still, the white paint must have helped to get the tank clean, after suffering casualties..plus fluid leaks were easier to detect, as opposed to the exterior olive drab color.
The gun tube assy weighed 2600 pounds, and recoiled so fast you could barley see it..and it only cleared the rear of the turret ring by about 1.5 inches...better stay out of the way.
I can still smell the burned powder as it filled the turret and hull, and feel the mild concussion every time we fired...along with the vibrations and the loud chunk..chunk.. as i touched off another 90mm round. I also had a .50 coaxial gun..right alongside the main gun tube.
https://www.youtube.com/watch?v=mCDYMou-LaU