U.S. Army Sgt. 1st Class Christopher Jacobsen, a

U.S. Army Sgt. 1st Class Christopher Jacobsen, a construction supervisor with the 623rd Engineer Company, 1249th Engineer Battalion, Nebraska Army National Guard, a native of Beatrice, Neb., installs a floor joist in a new troop medical clinic at Forward Operating Base Andar, Afghanistan, April 23. The new 3,300 square foot facility will consist of a clinic, trauma center and training facility, and is planned to be completed by the end of May. (Photo by: Staff Sgt. Andrew Guffey)