noise while moving around, didn't know what to take into the bush or even how to wear it properly, couldn't respond to basic combat commands, fired too much ammo, and tended to flake out on even the easiest 10-klick moves. An' Christ, they even got homesick." The term is still used today in law enforcement, the United States military, wildland firefighters (especially the Hotshots), the Canadian Military, and technical trades heavily populated with ex-military. NASA Astronaut Group 8, the first post-Apollo astronaut group, was self-nicknamed "TFNG". Officially acronym stood for "Thirty-Five New Guys" (the number of astronauts selected), but unofficially was a reference to the term used in Vietnam. Studies Several specific studies have been undertaken into the FNG phenomenon. Prominent military psychiatrists warned that the individual replacement system was having catastrophic consequences on unit cohesion. Dr. Douglas R. Bey published "Group dynamics and the "F.N.G." in Vietnam—a potential focus of stress" in 1972 and has been referenced extensively, including having been used in defense of initiation practices within modern U.S. combat units. Dr. Charles Figley has also written on the effects of being an FNG as part of the development of post traumatic stress disorder in combat veterans. References External links Military slang and jargon Pejorative terms for in-group non-members American culture Vietnam War