[REQ] Blowing/Filling ballast tanks

[chopped50ford]

Is there a key to "blow" and "fill" the ballast tanks while submerged?

Blowing air into the tanks (especially when damaged and taking on water) you should be able to keep your bouyancy neutral/positive so you dont dive to the immediate depths of hell.

I know there is the "Emergency Blow" feature, but sometimes in the heat of battle, you dont want to broach the surface in fear of being plastered.

Theres an Compressed air gauge, but what good is the air if you cant use it. Normally in the aft Stbd corner there are the ballast tank gauges that can tell it all.

Ps: it would be nice to be able to blow or fill ballast as needed forward or aft separately.