The school I attended was located in Subic Bay, PI. During the SCUBA portion of the class we had 14 RECON Marines in the class with us. 2 Officers and 12 enlisted Marines. They returned to Vietnam after they graduated from SCUBA training.
actually, we had two from our AF unit in San Antonio go to Navy dive schools...aforementioned friend went to "hard hat" school in the DC area..another guy from our "office" went to Key West for USN scuba school...reason? our unit was involved in extensive hyperbaric medical research, and the flight surgeons were trying to correlate our tables to USN Dive Tables..thus, through hook or crook, the "entrance" requirements for my AF contemporaries..best I can remember both schools were several months at least...I know when they got back, the AF had to come up with some insignia for them both, because at the time (late 60s), USAF wasn't in the "dive" business..except for hyperbaric chambers. The hyperbaric chambers were justified for the treatment of aviator bends cases. Probably 99.9 percent of aviator bends cases came from hypobaric chamber training..anyhow to get back on topic, I did see Jesse "wrestle" once...
That was probably a pretty good place to train . . at least on off days :-)