March 1, 2020 Why I serve: Tech. Sgt. Christopher Frerichs I joined the Air Force at the age of 19, in December of 2010. It was never part of my plan to be in the military at all. I grew up in a lower-class family with 6 half-brothers and stepbrothers. I was really big into sports growing up, and eventually I ended up with a tennis scholarship to play at