For the last five years, satellite photos have shown continuing constructing of an underground bunker complex north of Damascus, Syria, This is believed to be the control center for the national air defense system. Progress has been slow because Syria is broke and unable to pay for the new missile systems that that the people in this underground complex would control. Earlier this year, Russia suspended its program to upgrade Syria's MiG-31 fighters. In 2007, Russia and Syria signed an agreement by which Russia would provide the country with seven MiG-31 aircraft, as well as equipment and services to upgrade...