When I went to US Navy dive school, they told us to look left/right. They said that one, or both, of them would not make it through the class. 30% attrition rate. Well, out of the 34 guys in the class, 24 of them were Force Recon Marines. I didn't even knew that they existed; monsters. Definitely threw the curve off. We only lost three people, and they weren't Force Recon. OOH-RAH!
Happy Birthday Marines. Semper Fidelis.