8/13/2012 - U.S. President Barack Obama talks with U.S. Air Force Tech. Sgt. Vashon Bynum, 55th Medical Operations Squadron, after landing at Offutt Air Force Base, Neb., Aug. 13. President Obama was on base briefly before heading to Iowa. (Photo by Charles Haymond)

8/13/2012 - U.S. President Barrack Obama shakes hands with Airmen from Team Offutt after landing at Offutt Air Force Base, Neb., Aug. 13. The president was on base briefly before heading to Iowa. (Photo by Josh Plueger)

8/13/2012 - U.S. Air Force Chief Master Sgt. William Thomaston, 55th Wing command chief, shakes hands with U.S. President Barack Obama Aug. 13 at Offutt Air Force Base, Neb. President Obama landed here before heading over to Iowa for a three-day visit. (Photo by Charles Haymond)

8/13/2012 - U.S. Air Force Gen. C. Robert Kehler, commander of the U.S. Strategic Command, welcomes U.S. President Barack Obama to Offutt Air Force Base, Neb., Aug. 13. President Obama made a quick stop at the base before heading to Iowa. (Photo by Josh Plueger)

8/13/2012 - U.S. President Barack Obama steps out of Air Force One after landing at Offutt Air Force Base, Neb. Aug. 13. President Obama was welcomed by the leaders of the U.S. Strategic Command and the 55th Wing. (Photo by Charles Haymond)

8/13/2012 - Air Force One touches down at Offutt Air Force Base, Neb., Aug. 13. The president landed here before heading over to Iowa for a three-day visit. (Photo by Josh Plueger)