I was at Takhli in Sep, Oct 1965 & again in 1967. Was also at Don Muang & Utapao. Was with the 4252nd as crewchief on KC-135.One shower in a houch at middle of area & we taxied on metal temporary taxiways to our pads.Was exposed to AO & other herbicides there & fighting VA for over four years.Would really appreciate any help or ideas.