1 cruise missile frigate

1 patrol boat

1 rescue tug

2 submarines

One at sea the other in Tartus, Syria

S400 missile defence system

Defending Tartus and other bases used by Russia

Black Sea fleet

On high alert and closer to the Syrian coast than the US forces

1 cruise missile frigate

1 patrol boat

1 rescue tug

2 submarines

One at sea the other in Tartus, Syria

S400 missile defence system

Defending Tartus and other bases used by Russia

Black Sea fleet

Currently on high alert and closer to the Syrian coast than the US forces