background in the israeli syria attacks
The attack was a retaliation for the missile launch at the israeli hermon ski site, at the israeli-syria-lebanon borderthat came after an alleged israeli daylight strike again iranian targets near damascus airport.
During the attack the israelis managed to destroy the world famous "pantsir 1" AA system, that is supposed to be a top notch short distance AA system.
Sources:
https://www.jpost.com/Breaking-News/IDF-We-hit-Syria-in-response-to-Iran-missile-fire-at-Golan-Heights-578111
https://mobile.twitter.com/eha_news/status/1087236748411920385
https://m.jpost.com/Breaking-News/Report-Israel-Air-Force-strikes-southern-Syria-578020
As a side note, israeli aircraft have already demonstrated this ability in may of 2018:
https://theaviationist.com/2018/05/10/the-israeli-air-force-has-just-released-a-video-of-a-pantsir-s1-air-defense-system-being-struck-in-last-night-attack-in-syria/