and then leave him a low-ranking enlisted man.
Except they don't.
Fresh out of the Academy they get E-5. (The same rank normally takes 2-4 years to get in the US Army that I served in)
Additional training might result in E-6 (More like 4-8 years)
OCS nets you O-1
Additional training post OCS might result in O-2
Who exactly is ordering an E-5 Mechwarrior around?
Some Infantry Lt from another Regiment? SSSSUUURREE, I'll bet they overlap in the same circles all the time.
Meanwhile if the Battalion SGTMAJOR that they attached my Mech Lance to support gives me, a LT, an order, do you think I'm NOT going to follow it since it's likely part of the battle plan drawn up by the Battalion/Regimental commander?
I can't recall the # of times some random person from another unit gave me an order. (Rarely)
Most of the time it was directly in relation to what they were doing & what I needed to do to be in their "AO".
I sure as hell wouldn't have let them just give me an order that would take me away from what
MY Chain of Command has me doing that's for sure.