According to a report from Reuters, Obama is considering the increase in US involvement in Syria, using different methods to attack the Syrian government, including airstrikes on military, radar, anti-aircraft bases, as well as arms deports.
The US is also mulling over a covert military operation that would evade approval from the United Nations Security
Another possible scenario is the increase in military aid to "moderate rebel" groups; however, several concerns have arisen over the possibility of these arms getting into the hands of terrorists.
However, US. airstrikes against the Syrian Army are very unlikely because it would run the risk of direct confrontation with Russia.
12