U.S. Defense Secretary Robert Gates, center, looks over his papers during a round table meeting of NATO defense ministers in Budapest, Friday Oct. 10, 2008. NATO defense ministers are working to find an agreement that would authorize their troops in Afghanistan to attack the heroin trade blamed for bankrolling the growing insurgency against international forces. (AP Photo/Virginia Mayo)

U.S. Defense Secretary Robert Gates, right, and British counterpart John Hutton listen during a round table meeting of NATO defense ministers in Budapest, Friday Oct. 10, 2008. NATO defense ministers are working to find an agreement that would authorize their troops in Afghanistan to attack the heroin trade blamed for bankrolling the growing insurgency against international forces. (AP Photo/Virginia Mayo)

U.S. Defense Secretary Robert Gates, center, looks across the room during a round table meeting of NATO defense ministers in Budapest, Friday Oct. 10, 2008. NATO defense ministers are working to find an agreement that would authorize their troops in Afghanistan to attack the heroin trade blamed for bankrolling the growing insurgency against international forces. (AP Photo/Virginia Mayo)

Defense Secretary Robert Gates speaks to students of the National Defense University, Monday, Sept. 29, 2008, at Fort McNair in Washington. (AP Photo/Haraz N. Ghanbari)

Defense Secretary Robert Gates, left, and Joint Chiefs of Staff Vice Chairman, Marine Corps Gen. James Cartwright, testify on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, before the Senate Armed Services Committee. (AP Photo/Haraz N. Ghanbari)

Defense Secretary Robert Gates testifies on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, before the Senate Armed Services Committee. (AP Photo/Haraz N. Ghanbari)

Defense Secretary Robert Gates, left, and Sen. John Warner, R-Va., right, share a laugh on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, as Joint Chiefs Vice Chairman, Marine Corps Gen. James Cartwright, center, looks on, prior to a Senate Armed Services Committee hearing. (AP Photo/Haraz N. Ghanbari)

Joint Chiefs Vice Chairman, Marine Corps Gen. James Cartwright, right, and Defense Secretary Robert Gates testify on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, before the Senate Armed Services Committee. (AP Photo/Haraz N. Ghanbari)

Defense Secretary Robert Gates, left, followed by Joint Chiefs of Staff Vice Chairman, Marine Corps Gen. James Cartwright, arrive on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, to testify before the Senate Armed Services Committee. (AP Photo/Haraz N. Ghanbari)

Defense Secretary Robert Gates testifies on Capitol Hill in Washington, Tuesday, Sept. 23, 2008, before the Senate Armed Services Committee. (AP Photo/Haraz N. Ghanbari)