TYNDALL AIR FORCE BASE, Fla - U.S. Rep. Gwen Graham of Florida greets Lt. Gen. William Etter, Continental U.S. North American Aerospace Defense Command Region - 1st Air Force (Air Forces Northern) Commander, upon her arrival at the 601st Air Operations Center Jan. 23. During her visit there, the congresswoman received a mission briefing and toured the operations floor where day-to-day air-defense operations occur around the clock 365 days a year. (U.S. Air Force photo by Mary McHale/Released)