Common parts with other vehicles in inventory. Less clogging of the air intakes. Common commonwealth ammo supply. In the Army Reserve I trained Cav Scouts on M113 and M901 we had very few problems that could not be fixed in the field by ourselves or unit mechanics. Broken fan belts a couple of broken road wheels one fan tower replaced in the field. We change tracks a few times and replaced 10 block sections as needed.
So at about 2:56 narrator says "of the natural obstacles, radiance appeared to be the most challenging to Sheridan" - anyone know what's that "radiance"? YT subtitles probably messed up speech to text here, and I don't know any English word that would fit here