President Obama meets with his National Security Council . Hide Caption 8 of 21 Photos:Photos: 275 U.S. troops headed to Iraq . U.S. officials : Administration considering unarmed surveillance flights , airstrikes .
President Obama meets with his National Security Council . United States , Iran held `` very brief discussions , '' a spokeswoman says . 275 U.S. troops headed to Iraq . U.S. officials : Administration considering unarmed surveillance flights , airstrikes .