At a historic peak of excellence, the National Guard faces significant challenges and should remain an operational force, Gen. Frank Grass told U.S. Congressmen March 27, 2013. Pictured here, Capt. Derek C. Knapp, from Austin, Texas, with Security Force Assistance Team 10, Texas Army National Guard, and his Afghan Border Police counterpart, discuss security during a shura near the area known as the "Jungle" during Operation Southern Fist III, March 5, 2013, in the district of Spin Boldak, Kandahar province, Afghanistan. Insurgents use the Jungle during the summer fighting season as an infiltration route and cache site.