Hmmm... F35’s. Israeli F35s are Rumored to have taken out Assad’s S300 anti-aircraft batteries. Hmmm, a one two punch, we take out your defense and then smack you with a loaded B1, now that is sending a message.
Later reporting indicated that the Israeli raid was successful because just like the last few times the Israeli Air Force raided Syria, they came in hard and fast at extremely low altitude - below the minimum detection altitude for their AA systems.