I may have posted something similar before. This is a nice little explanation of what is instilled into the individuals that show up every day and put their feet on those yellow footprints at MCRD San Diego or Parris Island. You may think it is silly but, once you have earned the title of Marine, it really isn’t.
One Marine’s View: “Marine arrogance”.
And this ties in nicely to the anniversary of Thermopylae.