Sen. Carl Levin (left), Senate Armed Services Committee chairman, welcomes Navy Vice Adm. William H. McRaven (center), the nominee to become commander of the U.S. Special Operations Command, and Marine Lt. Gen. John Allen, nominee to become commander of U.S. forces in Afghanistan, at the start of confirmation hearings on Capitol Hill in Washington on Tuesday, June 28, 2011. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

Sen. Carl Levin (left), Senate Armed Services Committee chairman, welcomes Navy Vice Adm. William H. McRaven (center), the nominee to become commander of the U.S. Special Operations Command, and Marine Lt. Gen. John Allen, nominee to become commander of U.S. forces in Afghanistan, at the start of confirmation hearings on Capitol Hill in Washington on Tuesday, June 28, 2011. (AP Photo/J. Scott Applewhite)