FORT CARSON, CO - JUNE 15:  A soldier salutes the flag during a welcome home ceremony for troops arriving from Afghanistan on June 15, 2011 to Fort Carson, Colorado. More than 500 soldiers from the 1st Brigade Combat Team returned home following a year of heavy fighting and high casualties in Afghanistan's southern Kandahar province.  (Photo by John Moore/Getty Images)
FORT CARSON, CO - JUNE 15:  A soldier salutes the flag during a welcome home ceremony for troops arriving from Afghanistan on June 15, 2011 to Fort Carson, Colorado. More than 500 soldiers from the 1st Brigade Combat Team returned home following a year of heavy fighting and high casualties in Afghanistan's southern Kandahar province.  (Photo by John Moore/Getty Images)

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    1,500 additional US troops to be deployed to Saudi Arabia

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1,500 additional US troops to be deployed to Saudi Arabia

The Pentagon will deploy about 1,500 extra troops to Saudi Arabia in answer to requests by the leading US military commander in the Middle East and, in part, because the US Navy is unable to send a relief aircraft carrier to deter potential Iranian aggression, multiple US officials tell CNN.

1,500 additional US troops to be deployed to Saudi Arabia

The Pentagon will deploy about 1,500 extra troops to Saudi Arabia in answer to requests by the leading US military commander in the Middle East and, in part, because the US Navy is unable to send a relief aircraft carrier to deter potential Iranian aggression, multiple US officials tell CNN.