World Bulletin / News Desk
Tiyas airbase in western Homs district came under attack, Fars News Agency said on Monday.
The slain militia were identified as Ammar Mousavi, Akbar Zavar Jannati and Mehdi Lotfi Naysar.
The Syrian regime said the base was attacked at around 4.00 a.m. local time (0200GMT) and there were reports of casualties.
Russia said two F-15 fighter jets bombed an airbase in Syria.
The regime reportedly launches chemical attacks in Eastern Ghouta from the airbase.
Unconfirmed reports also suggest the presence of Iranian forces at the base.