(adds quotes from Gibbs, previous dateline Aboard Air Force One)

WASHINGTON, Feb 16 (Reuters) - President Barack Obama's decision on troop levels for Afghanistan is coming within days, and will not take weeks, his spokesman said on Monday.

"The administration continues its review of policy related to Afghanistan and I would expect that the president's decision could come shortly," spokesman Robert Gibbs told reporters aboard Air Force One.

Asked whether a decision would be announced within days or weeks, Gibbs said, "I don't think this is anything that involves weeks."

He said the president was working in consultations with military leaders and his foreign policy advisers to develop the Afghanistan policy.

U.S. policy on Afghanistan is under review as Obama contemplates almost doubling the number of U.S troops there to around 60,000.

Obama arrived back in Washington after spending the long President's Day holiday weekend at his home in Chicago.

(Reporting by Matt Spetalnick, editing by Patricia Zengerle)

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