The Wall Street Journal posted Rudy Romero’s original e-mail in A Soldier’s Tale. They left it in its original state, ALL CAPS and riddled with spelling errors:
HOWS EVERYTHING GOING SIR. HOPE YOUR DOING FINE. WE SHOULD GET TO GETHER FOR LUNCH SOMETIME, I KNOW A PRETTY GOOD PLACE IF YOU LIKE MEXICAN.
I found a (partially) cleaned-up version at Squad-Leader.com. As for content, some things haven’t changed since the days of the Roman legions:
I would also recommend wearing the body armor during all training, I doubt if well ever fight without it again. It significantly affects everything that you do.