I appreciate the valuable information found here. I am navy thru and thru -spent my childhood across US in navy port cities - waiting for the ship to come back, then navy wife-MSC, now mom of son -as he gets in line for the start of his naval career. We live in northern virginia close to my parents, dad retired. I have shared several of the moderator's excellent, informative explanations - my dad's info is a bit dated - class of '52!