Army Staff Sgt. Brain Deschenes 2nd Battalion, 8th Calvary Tank Commander, Fort Hood, Texas, explains the capabilites of the M1A1 Abrams Tank to David Harpster, Boyscout 32 Troop leader, during the 2011 Joint Service Open House May 21. The JSOH affords the public an opportunity to meet the men and women of the Armed Forces and to see military equipment from the Navy, Marines, Army, Air Force, and Coast Guard. The JSOH is planned and conducted through the efforts of active duty, guard and reserve service members, as well as civilian employees, retirees and family members.(U.S. Air Force photo by Senior Airman Matt Coleman-Foster)