Like many National Guard units , the 81st Brigade has been activated for state duty several times to respond to disasters and disorder . It responded to floods in December 1975 and November 1990 , the 1980 eruption of Mount St. Helens , forest fires in 1994 and many other years , and the WTO Riots of 1999
1980 eruption of Mount St. Helens
1980 eruption of Mount St. Helens
81st Stryker Brigade Combat Team