How did everyone choose which MOS to serve as?

I chose Infantry and Paratrooper even before I ever heard of MOS, and it was the right choice. What ever you do choose, do the best you can, and learn everything that has to do with that MOS.

Knowing I had a rather low draft number, I'd heard about military broadcasting while in junior college for communications. I went to the Army recruiter and asked about Armed Forces Radio and TV. He looked up the MOS(71R20), found the school was full at the time I would be finished with basic, so he signed me up instead for Military Journalism (71Q20) because it was in the same building as the broadcasting school. He said, "Maybe when you get out there you can work your way into the broadcasting school." Which is exactly what happened. I went on to enjoy three years of radio and TV work in West Berlin.

It is my duty to express this cautionary tale. I did very well on the ASVAB, however, my recruiters lied to me about the available jobs: Armor mechanic and Infantry. I was passed from an E-6 recruiter to an E-7 one who furthered pressured me for a decision. The E-8 who told me earlier that I was a good American for enlisting now told me I was a jackass for not making a decision. I still held my ground as now I was meeting the recruiting CPT. He finally gave me a list of 31 jobs that were available to me and to make a life altering decision. I took the list home and slept on it. I was completely appalled by the lack of honor exhibited by recruiters.