The United States Defence Secretary has confirmed that the US will send thousands of extra troops to Afghanistan by the middle of next year.
Robert Gates is in Afghanistan on his second visit in four months. But he said he didn't see the boost in US forces leading to a swift end to the war. Instead he warned that US forces may have to remain in Afghanistan for many years.
Washington correspondent Kim Landers reports.
KIM LANDERS: When US Defence Secretary Robert Gates first planned this trip to Afghanistan, it was supposed to be a farewell tour. But now he's staying on at his post at the request of President-elect Barack Obama so this visit has morphed a consultation session about what's facing the incoming administration.
About 4,000 extra US troops are due to arrive in Afghanistan next month. Defence Secretary Robert Gates says another two combat brigades will follow soon
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