http://www.cbsnews.com/stories/2011/10/07/501364/main20117202.shtml?tag=cbsnewsSectionContent.2 Leaving out our Continental Indian Wars, historicly matches is 2nd longest military conflict (with astericks) 1898-1913 Phillipines 1963-1973 Vietnam: This is based on Johnsons massive military buildup, actual involvment is much longer but seems in today's lingo it only counts if there are "combat boots on the ground" 2001+ Afghanistan 2003-2011 Iraq Now the astericks...inclusion of deployments in countries of past military conflicts? Western Europe: 1941+ Japan: 1945+ Korea: 1950+ Middle East: 1991+