Probably won't know much until the morning. Sounds similar to last year. Russia stood down, the targets were limited, Syrian (not Russian) air defense was activated, and probably some but not all missiles got through.
https://sputniknews.com/news/201804141063540268-pentagon-str/
The operation, which started at 9 p.m., was "specifically associated" with chemical research facilities and chemical storage sites, US Chairman of the Joint Chiefs of Staff Joe Dunford said Friday.
Three main chemical sites were targeted, as well as one command center, according to the Joint Chiefs of Staff.
The operations are now complete. Continued barrages will not take place, unless Assad uses chemical weapons again, Pentagon chief Jim Mattis said.
These targets were made with the goal of minimizing any impact on Russian forces, according to JCS.
The deconfliction line with Russia was "active" this week, and the US followed normal use of deconfliction lines with Russia, as normal for clearing the airspace, JCS said.
https://sputniknews.com/news/201804141063539742-syrian-interceptor-take-off-boom/
"God bless you, God bless you," a man can be heard saying, shortly after the interceptor seemed to collide with a missile, making a large boom sound.
"F*ck those American ********," the man from the video says.
The Syrian Army reports shooting down 20 US, UK and French missiles. When asked about the missiles, the Pentagon during a briefing that it could not comment on the reports.
On Friday night, Trump said that strike operations were underway in response to an alleged attack in Douma, which Damascus and Moscow maintain was a false flag. Analysts are puzzled by the logic of Trump's decision to stand up against "Gas Animal Assad" by raining explosives on Syria and killing Syrians.
Damascus, Homs, a research facility in Barzeh, and an IRGC base in Qasioun Mountain have reportedly been targeted during the military operations.