August 13, 2008 Rygge, Air Force Base, Norway- SSgt David Twohig and MSgt Jack Fergen, weld sheet metal to fabricate a smoke tower for the Rygge, Air Force Base fire and rescue school. The smoke tower will be used for training. The two members of the Iowa Air National Guard are from the185th Air Refueling Wing (ARW), Civil Engineering (CE) in Sioux City, Iowa. The engineering mission is a joint effort with the Norwegian Military Academy at Rygge Air Force Base, Norway. Official Air Force Photo By: SSgt. Oscar M. Sanchez-Alvarez