US soldiers from Viper Company (Bravo) 1-26 Infantry check their weapons as they head for a foot patrol at Combat Outpost (COP) Sabari in Khost province, east of Afghanistan on June 26, 2011. In a nationally televised address on June 22, US President Barack Obama announced a plan to withdraw 33,000 surge troops from Afghanistan by the end of next summer, which his military commanders said was more 'aggressive' than they had recommended. (Getty/Daylife)

US soldiers from Viper Company (Bravo) 1-26 Infantry stand next to a blackhawk helicopter during a formation at Combat Outpost (COP) Sabari in Khost province, eastern Afghanistan on June 26, 2011. President Barack Obama June 23, ordered all 33,000 US surge troops home from Afghanistan by next summer, declared the beginning of the end of the war and vowed to turn to 'nation building' at home. (Getty/Daylife)

US soldiers from Viper Company 1-26 (Bravo) Infantry on a foot patrol on a mountain area as they search for cache of arms at Combat Outpost (COP) Sabari in Khost province in the east of Afghanistan on June 24, 2011. US President Barack Obama June 23, ordered all 33,000 US surge troops home from Afghanistan by next summer, declared the beginning of the end of the war and vowed to turn to 'nation building' at home.(Getty/Daylife)

US soldiers from Viper Company 1-26 (Bravo) Infantry prepare to search a house for arms and ammunitions at a village at Combat Outpost (COP) Sabari in Khost province in the east of Afghanistan on June 24, 2011. US President Barack Obama June 23, ordered all 33,000 US surge troops home from Afghanistan by next summer, declared the beginning of the end of the war and vowed to turn to 'nation building' at home. (Getty/Daylife)