job

When you get assigned your branch, how much choice do you have over what specifically you'll be doing? For instance, if you branch Armor, how can you choose whether you're in a tank platoon or cavalry? Or for Engineering, how can you choose combat vs non-combat engineering?

Current '21er here and I'm struggling to find anywhere online a breakdown of the recent graduating classes and their jobs. Looking for a list giving the AFSC and the number of grads for the class given that job. If anyone has links or info for recent classes ('17, '18, or '19) and their...