KANDAHAR, AFGHANISTAN - MARCH 09:  SPC Brian Colip (L) from Vacaville, California and SPC jason Saxton from Newburgh, Indiana with the U.S. Army's 4th squadron 2d Cavalry Regiment keep watch during a patrol through a village on March 9, 2014 near Kandahar, Afghanistan.  President Obama recently ordered the Pentagon to begin contingency planning for a pullout from Afghanistan by the end of 2014 if Afghanistan President Hamid Karzai or his successor refuses to sign the Bilateral Security Agreement.  (Photo by Scott Olson/Getty Images)