14 December 2015. On Monday morning in rural Damascus, the Syrian Arab Army’s 105th Brigade of the Republican Guard – backed by the National Defense Forces (NDF) of Damascus City – imposed full control over the Marj Al-Sultan Military Airport’s Helicopter Base after a one month long and bloody battle with the Islamist rebels of Jaysh Al-Islam (Army of Islam).

AL MASDAR

http://www.almasdarnews.com/article/syrian-army-captures-the-strategic-marj-al-sultan

At industryabout.com:

Syria - Industrial Facilities Map