U.S. missiles and Russian air defense in Syria, Oman and iran discuss broadening of defense cooperation, Turkish Altay MBT gets Ukranian engine, Russia and Iran sign helicopter JV, Taiwanese C-UAV system spotted in Mosul, Hürkus jets and Atak helicopters can both strike with UMTAS missile, BMC lands big contract in Qatar, UAE seems interested in Russian helicopters, White House clears F-16 sale to Bahrain, Saudi Arabia and Sudan conduct first air exercise