Mr. Eddie Roberts, Sons of Union Veterans of the Civil War commander and Civil War soldier reenactor, displays a recreation of "hartack," a primitive form Civil War soldier food at a SUVCW display tent at the Joint Base Andrews, Md., 2011 Joint Service Open House May 20. The JSOH 2011 affords the public an opportunity to meet the men and women of the Armed Forces and to see military equipment through the efforts of active duty, guard and reserve servicemembers, as well as civilians employees, retirees and family members. (U.S. Air Force photo by Airman 1st Class Lindsey A. Beadle)