Ultimate Sniper: An Advanced Training Manual for Military and Police Snipers
John L. Plaster served three tours in the top-secret unconventional warfare group, Studies and Observations Group, in Vietnam. As a long-range reconnaissance leader, he led tiny intelligence-gathering teams behind enemy lines in Laos and Cambodia before leaving SOG in late 1971. He was decorated for heroism four times and retired from the U.S. Army as a major.