U.S. Air Force Tech. Sgt. Tracy Winterquist (right) and Ryan Latozke (left) unload sandbags to create a barrier blocking rising overland flood water around a house in Cass County, N.D., on April 29, 2011. Winterquist, assigned to the 119th Civil Engineer Squadron, is a member of a North Dakota National Guard quick response force. Latozke works for U.S. Customs and Border Protection.