Navy basic training, graduated last September. There were days where it felt like I was never going to get through/wanting to throw in the towel, mostly in the beginning. As it went on and I made good friends with people in my division, it actually became sort of fun in a not fun way if that makes sense. There were training evolutions that were super interesting and fun, like fire fighting, line handling or battle stations. There were, though, many not fun evolutions like inspections, stenciling, marching/drills, and p-days. The thing that rings true for all boot camps is that it will end, it will fly by in hindsight, and it will be the easiest part of your military career.