There two commands, when your training I can't find anywhere, that I used in AH2. I'm hoping they're still available, and someone can turn me on to them.
Dive bombing/Attack:
The command displays a crosshair, that moves to show, where your bomb/rocket will land, in your configuration at any time.
Shooting from AAA/Wirb/Osti:
The other has a crosshair showing, where to lead your weapon to hit the designated target.