American involvement in Vietnam can stretch back as far as the end of World War II, depending on how you define "involvement," but one thing is for sure; when the U.S. committed its combat troops to defend South Vietnam, things got hot almost immediately. The most stunning example of the ferocity of Vietnam battlegrounds is the 1965 Battle of Ia Drang, the first time the U.S. Army fought a major battle against the People's Army of Vietnam (PAVN), North Vietnam's regular forces. ...