I DO know.
Just ponder this for a minute, imagine a situation where one guy uses another guy to frustrate a third guy. Its hard to imagine. If someone's giving us grief, we punch each other in the nose and move on. We also can become friends along the way. Its who we are.
Now, imagine the same situation only one or two of the people involved are female. Does that sound far fetched? Remember High School?
We might be a different breed but we aren't perfect.
Along those same lines, who are you going to order to run into a burning or flooding compartment? You don't have time to figure out the pluses and minuses.
Finally, let's wonder about submarine quals. EVERYone is supposed to get the same s####y deal. It not only builds character, it proves that the other folks who already went through it can trust you with their life. That's what quals REALLY mean, are you going to fold when the crap hits the fan?
We can't
afford "title 19" because NONE of us get a statue for losing.