This program is about Syria's six-year resistance against terrorists.
Syria has been Iran's ally for many years because of many reasons; most importantly similar political stance on foreign policy against Israel, Iran's security in the region.
Six years have passed since the armed conflicts began in Syria. Iran started helping Syria because Syria has always been an ally of Iran since Hafez Assad's time and it's helped Iran during Iraq-Iraq war and also this country is a big part of Resistance Front in the region.