Yeah I am still stuck at 67% too 
It would be nice to have better transparency on the grading scheme for all types of missions, but trying to get the sky crane unlocked is killing me. Every other mission type is pretty basic to S tier.
Yeah I am still stuck at 67% too
It would be nice to have better transparency on the grading scheme for all types of missions, but trying to get the sky crane unlocked is killing me. Every other mission type is pretty basic to S tier.