IN THE GULF REGION - He's a most atypical Marine — he chows down the prepackaged rations with gusto and gets a promotion whenever he bites an officer. He's Dragon, the 4-month-old mutt adopted by Marine Medium Helicopter Squadron 268 when they found him sniffing through garbage at their base near Iraq (news - web sites), whose exact location they won't allow to be made public. Dragon — named in honor of the squadron's nickname of Red Dragons — is a cheerful reminder of quieter times. He's full of goofy antics like bounding down the airstrip with a wrench in...