If a cadet quits or get dismissed before the first class of his/her junior year, there is no consequences. You will receive transfer credits that you can use at a civilian university, and even get commissioned through ROTC program.

What happens if you fail military school?

If your Commander believes you are purposely failing through AIT, then its possible you may receive a non-judicial punishment, a court-martial, or a more punitive discharge. If you are very lucky, that could be a general discharge.

What is the hardest MOS?

MOS Code E300 To be a navy seal means to have the hardest job in the military. Navy SEALs are a special force that participates in operations of any area (literally any). Particular emphasis is placed on preparing and equipping detachments for operations in coastal and marine environments.