After the 2017 Khan Sheikhoun attack, Donald Trump ordered a strike on the airfield that launched the Syrian jets involved. The 59 cruise missiles launched from US warships in the Mediterranean damaged runways and hangars at Shayrat but they were quickly repaired. That attack was largely symbolic.
If Trump orders a second strike, it will probably be more comprehensive. The US president will be keen to assert himself as a strongman if he feels his own red line has been crossed (comparisons to Barack Obama are too much for him). France too has previously said it would be prepared to act if the use of chemical weapons is proven.
Probable targets a second time round would be other Syrian airbases, and perhaps what remains of the air force itself. Whittled down and battered, the Syrian jet fleet has been heavily propped up by Russian fighters. Syria’s air defence system has been heavily damaged by Israeli attacks.
For more read the full of article at The Guardian