The time from America’s entry into World War II in 1941 until the end of the Vietnam war in 1975 spans 34 years. During these there was a third conflict, the 1950 to 1953 Korean War. So, if you started young enough in WWII, it was possible to serve in all three of those conflicts. And some servicemen did just that. Read on for the fascinating stories of the military men who managed to serve their country in three major wars.