AAF

KABUL, Afghanistan - Capt. Kemmey Esteban stands in front of the sign post at the Afghan Air Force Base in Kabul, Afghanistan.

AAF

Technical Sergeant James Killian of the 442th Air Expeditionary Advisor Squadron in Kandahar Air Base, Afghanistan on board a Mi-17 transport helicopter over Afghanistan.

Operation Enduring Freedom

Katie Couric, news anchor with CBS Evening News, visits the Afghan Air Force base in Kabul, Afghanistan on Aug. 18, 2010. Couric visited the AAF base to interview both Lt. Gen. William B. Caldwell, Commanding General, NATO Training Mission, Combined Security Transition Command - Afghanistan and Boera about the current state of NTM-A as well as the AFF with particular interest in the America advisory role. (US Navy photo by Mass Communication Specialist 2nd Class David Quillen/ RELEASED)

Operation Enduring Freedom

Katie Couric, news anchor with CBS Evening News, visits the Afghan Air Force base in Kabul, Afghanistan on Aug. 18, 2010. Couric visited the AAF base to interview both Lt. Gen. William B. Caldwell, Commanding General, NATO Training Mission, Combined Security Transition Command - Afghanistan and Boera about the current state of NTM-A as well as the AFF with particular interest in the America advisory role. (US Navy photo by Mass Communication Specialist 2nd Class David Quillen/ RELEASED)

Operation Enduring Freedom

100819-N-6031Q-033 KABUL, Afghanistan - Katie Couric, news anchor with CBS Evening News, center, interviews Afghan Air Force Lieutenants on the flight line of the Afghan Air Force base in Kabul, Afghanistan on Aug. 18, 2010. Couric visited the AAF base to interview both Lt. Gen. William B. Caldwell, Commanding General, NATO Training Mission, Combined Security Transition Command - Afghanistan, and Brig. Gen. Michael Boera, 438th Air Expeditionary Wing, Combined Air Power Transition Force, about the current state of NTM-A as well as the AFF with particular interest in the America advisory role. (US Navy photo by Mass Communication Specialist 2nd Class David Quillen/ RELEASED).

Operation Enduring Freedom

100819-N-6031Q-032 KABUL, Afghanistan - Katie Couric, news anchor with CBS Evening News, right, interviews Afghan Air Force Lieutenants on the flight line of the Afghan Air Force base in Kabul, Afghanistan on Aug. 18, 2010. Couric visited the AAF base to interview both Lt. Gen. William B. Caldwell, Commanding General, NATO Training Mission, Combined Security Transition Command - Afghanistan, and Brig. Gen. Michael Boera, 438th Air Expeditionary Wing, Combined Air Power Transition Force, about the current state of NTM-A as well as the AFF with particular interest in the America advisory role. (US Navy photo by Mass Communication Specialist 2nd Class David Quillen/ RELEASED).