US Marines load onto a CH-53 helicopter to fly over Helmand Province, southern Afghanistan, on October 12, 2009. Twenty Taliban militants were killed and a number arrested in separate operations involving foreign forces and Afghan troops, police, military commanders and the government said today. Getty Images logo Getty Images 28 months ago

US Marines load onto a CH-53 helicopter to fly over Helmand Province, southern Afghanistan, on October 12, 2009. Twenty Taliban militants were killed and a number arrested in separate operations involving foreign forces and Afghan troops, police, military commanders and the government said today.