Pugs,
I dunno. I gave the USN four years back in the '60s. The MOSs with the technical skills requiring some education to exercise those skills had a pretty decent percentage of those people who were good at what they did. Officers from full bird and up tech disciplines or not tended toward a higher percentage as well. Below that level of training and time in service, they were by my estimation a pretty sketchy lot. Enlisted were an even more mixed bag. I have known E7s that were truly impressive, but most were just lifers and of little use. Over all, the majority of the people I worked for had no idea of what it was that I did, much less how I did it or why.
