Photo G1972: SGT Jim Davis of 2nd Platoon, 188th MP Company, 92nd MP Battalion and his Quan Cahn patrol partner in Vinh Long, Vietnam in 1968. If you can name this QC use this Email Link. Courtesy of SGT James A. Davis, 148th MP Platoon & 188th MP Company, 92nd MP Battalion, August 1968 to June 1969.