Russia is sending the S-300 surface to air missile system to Syria after the downing of a Russian Il-20 spy plane by ill-equipped Syrian air defenses. Air National Guard/Capt. Holli Nelson. 24892410947_58a1459499_k By James Clark on February 26, 2018 T&P on Facebook Looking for a great career? Or know another veteran, service member, or military spouse who is? Get started at Hirepurpose.