 It has been merged into and then separated from both the Syrian Arab Army and the Syrian Arab Air Force.The Syrian Air Defense Force controls four air defense corps, eleven air defense divisions and thirty-six air defense brigades, each with six SAM battalions.It is equipped with 650 static S-75 Dvina, S-125 Neva/Pechora and S-200 launchers, 300 mobile 2K12 Kub, Pantsir S-1 and Buk launchers and over 4,000 anti-aircraft guns ranging from 23mm to 100mm in caliber.