It changes constantly as do their alliances. We don’t know who is who there or who they are allied with.
Here is an example of how mixed up it is:
In Syria, militias armed by the Pentagon fight those armed by the CIA
http://www.latimes.com/world/middleeast/la-fg-cia-pentagon-isis-20160327-story.html
Since that article alliances (and names or groups) have changed several times.
None of it is our fight.
I don’t agree with being in the conflict on the ground. We should never have become involved at all. Obama, Clinton, McCain, Graham, Rubio, and others wanted it. Now we’re there. When we are involved and someone on the other side uses chemical warfare, it’s not unreasonable to react to that with extreme measures.
I’m not certain replacement of Assad gets us a better situation.
Trump has access to information I don’t. I can’t say he has been fed bad intel or not. Israel seems to be certain it was Assad. I listened to a twenty minute video of an Israeli yesterday evening that talked about the Syrian pilot, and how they’ve been aware of him, and watching him for literally years.
We have the means to stop Assad from using Chemical weapons. We took action. I’m not against it.
Babies being killed by incinerating their lungs by saran gas is as bad as killing a fully formed fetus by puncturing their skull with scalpel. All baby killers should be attacked.