Larry Westin and Jack Sikora have published the story of the story of the USAF 553rd Reconnaissance Wing in Southeast Asia. This was the EC-121 R squadron based in Korat that monitored the sensors VO-67 inplanted and relayed the signals to the ISC. It was published by iUniverse, Inc., 2021 Pine Lane Road, Suite 100, Lincoln, NE 68512 (www.iuniverse.com).