hate night missions. My men are trained and armed well enough to deal with the night mission, but my eyes are not. Gamma looks terrible, so the only reasonable solution is to wait until the morning.
VVB:
You like the night missions- start them as you ship arrives. Personally i dislike them, not because there are some penalties for accuracy(if there are any), but its a real pain to look at the dark screen and think what is that thing in the shadow, or which shadow is actually an open door.
If anyone ever comes to an idea of forcing night missions a way to disable them is a must as long, as there is no way to improve the vision.
As a player my task is to think about tactic, not to strain my eyes.