The US State Department has approved a possible $6 billion worth of weapons sales to Bahrain and the United Arab Emirates in three separate packages, the Pentagon said on Friday after notifying Congress of the certification. In one of the notifications sent to Congress on Friday, Bahrain could potentially buy various Patriot missile systems and related support and equipment for an estimated cost of $2.48 billion. Bahrain was also given the nod for various weapons to support its F-16 Block 70/F-16V aircraft fleet for an estimated cost of $750 million. United Arab Emirates was given potential approval for $2.73 billion worth of Patriot missiles and related equipments.