KANDAHAR, AFGHANISTAN - JAN 25, 2002: Pfc. Matthew Simms, helps to reattach one of the three blades of the tail rotor of a CH-47D Chinook helicopter at Kandahar airport in Afghanistan. The 20-year-old soldier is serving with Company A, 7th Battalion of the 101st Airborne Division (Air Assault) Aviation Regiment from Fort Campbell, Ky. in support of Operation Enduring Freedom. (Photo by David K. Dismukes/Getty Images)