What do you get when you mix mud, water, dirt and sand?Ask six reservists from the 48th Aerial Port Squadron, 624th Regional Support Group, Joint Base Pearl Harbor-Hickam, Hawaii, who teamed up to run dirtiest footrace on Oahu--the 19th Annual Swamp Romp, held Saturday, Feb. 16 at Marine Corps Base Hawaii, Kaneohe Bay, Hawaii.Tech. Sgt. Sean R.