Photo G3180: SGT Ken Gould of the 188th MP Company, 504th MP Battalion, 16th MP Group, 18th MP Brigade, displays the hand grenade booby trap discovered in his patrol jeeps tank filler pipe at the 84th Engineer Groups POL site in DaNang in 1971. Courtesy of SGT Kenneth Gould, 188th MP Company, 504th MP Battalion, 16th MP Group, 18th MP Brigade, DaNang, 1970-1971.