Saudi Arabia has been bombing Yemen for over eight years in order to train up its air force
For a potential confrontation with Iran to see who will be the hegamon of the region
The issue is that Saudi Arabia is very much like Game of Thrones with their feudal monarchy
It gets most of its specialist and military trainers from foreign countries it's unlikely they will stay if war happens
The Arabian Saudi crown prince and the King disagreeing Israel the King of Saudi Arabia supports the Palestinians
And the crown prince sees Israel as an ally against Iran
Both the Saudis and Iranians are backing multiple terrorist groups to try to undermine each other