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Robert Gates wraps up farewell visit to US troops in Afghanistan

Jason Reed / Reuters

U.S. Secretary of Defense Robert Gates shakes hands with Lieutenant General David Rodriguez, Deputy Commander of the International Security Assistance Force (ISAF) in Afghanistan on the tarmac of Kabul Airport, June 7. Gates, who is retiring later this month, wrapped up an emotional farewell visit to military posts in Afghanistan on Monday warning against pulling troops out too quickly.

Read more about Secretary Gates' visit to Afghanistan and watch the video below:

Defense Secretary Robert Gates says troop withdrawal from Afghanistan should leave combat power intact as long as possible to press an anti-Taliban offensive. NBC's Athena Jones reports.