FM90 is short range AD system used for point defence or in armoured columns as AD umbrella. We have been using it since it's inception (the French Crotale from where it originated and on to it's Chinese variants). I don't think it offers any thing extra as claimed by you. I don't think BD military stand a chance if Myanmar air force procures standoff weapons with Thunders and SU fighters which they certainly would.
Dude, are you even thinking about the scenario that I am painting before you post?
In a land conflict between BD army and the savages, MAF can only get involved by providing CAS. They need to come in close to be able to effectively hit the BD army in the field. This is where the sophisticated FM-90 comes into play with it's ability to hit missiles, drones, helicopters and planes flying at ground level all the way to 6km up in the air.
Each FM-90 battery has 12 missiles and they can attack 3 targets simultaneously out to a distance of 15-17km. This makes it a very formidable weapon to protect an army against numerous attacking CAS aircraft.
MAF aircraft will be shot down in droves if they want to get involved in any land conflict between BD and Myanmar.
The best use of the MAF is to attack cities and other infrastructure as BAF is weak and BD lacks MRSAM at this moment in time.
If they were employed against BN, there will soon be 5 ships that will have close-range SAM defences and so they will need to fire a lot of missiles(many dozens) to be able to cripple the BD Navy. But soon everything will change when the next-gen air-defence frigates start rolling out with their MFR AESA radars and dozens of VLS silos housing medium range SAMs.
Yep, BAF is letting the side down but both BA and BN are preparing for having to fight without proper airforce.