Homeland Defense
Senior Army and Air National Guard officers join officers from other components at a Joint Task Force Commander Training Course at U.S. Northern Command at Peterson Air Force Base in Colorado Springs on Jan. 28, 2009. The National Guard makes a significant contribution to NORTHCOM's whole-of-government approach to homeland defense, Army Lt. Gen. Frank Grass, the combatant command's new deputy commander, said Oct. 26, 2010. (U.S. Army photo/Staff Sgt. Jim Greenhill)