President Barack Obama and Vice President Joe Biden greet service members as they arrive at Pease Air National Guard Base in Portsmouth, N.H., Friday, Sept. 7, 2012. (AP Photo/Winslow T

 

              President Barack Obama and Vice President Joe Biden greet service members as they arrive at Pease Air National Guard Base in Portsmouth, N.H., Friday, Sept. 7, 2012. (AP Photo/Winslow T
President Barack Obama and Vice President Joe Biden greet service members as they arrive at Pease Air National Guard Base in Portsmouth, N.H., Friday, Sept. 7, 2012. (AP Photo/Winslow Townson)