if you select an enemy unit, a white line appears first that states the distance to your nearest airbase and seconds after that, the rail supply line for that unit.
I've never seen that happen. Just tried again, and can't see it. What do you do to get this?
The Nazis entered this war under the rather childish delusion that they were going to bomb everyone else, and nobody was going to bomb them. They sowed the wind, and now they are going to reap the whirlwind.