Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010.Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY IMAGES OF THE DAY) 

Graffiti dating back to a previous British deployment and depicting a television playing the long-running drama Coronation Street marks the walls at Musa Qala district center, now used by U.S. Marines, in southern Afghanistan's Helmand province November 13, 2010. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY SOCIETY CONFLICT) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN) 

A Canadian soldier from the NATO-led coalition walks past a memorial scrawled on a mud wall for a fellow soldier killed in action, at Three Tank Hill camp in Kandahar province, southern Afghanistan, October 15, 2007. REUTERS/Finbarr O'Reilly (AFGHANISTAN) 

Coloured chalk graffiti marks the walls in the quarters of the U.S. Female Engagement Team (FET) of First Battalion, Eighth Marines at their base at Musa Qala in southern Afghanistan's Helmand province, November 13, 2010. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY SOCIETY CONFLICT) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010.Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010.Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti left behind by Taliban fighters remains on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti reading "Get Hard, Stay hard," by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY) 

Graffiti reading "The Few, The Proud," by a previous deployment of the U.S Marine Corps's, adorns the walls at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: MILITARY CONFLICT SOCIETY IMAGES OF THE DAY) 

Graffiti left behind by Taliban fighters remain on the walls of a compound now used as a command center for the U.S Marine Corps's First Battalion, Eighth Marines at Musa Qala in southern Afghanistan's Helmand province, November 10, 2010. Musa Qala is an important battleground in the war against Taliban insurgents and the narcotics industry. The town has changed hands several times, most recently in December 2007 when Afghan and international forces retook the town from the Taliban. REUTERS/Finbarr O'Reilly (AFGHANISTAN - Tags: CONFLICT CIVIL UNREST IMAGES OF THE DAY)