"CTRL + Page up" to fully raise the attack scope.
"CTRL + Page down" to fully lower attack scope.
"CTRL + Insert" to fully raise the observation scope.
"CTRL + Delete" to fully lower obs scope.
"CTR + ALT + Delete" to fully......
I know that on one particular sub model, the obs scope would not breach the surface at PD. But you should still see some blurry water effects.
