The only time I have built an air base for Holland is when doing sea lion from sz110. It was a long time ago, but I believe I did it because the US had a couple loaded carriers (sz102) and bombers in range to hit my tpt fleet after the assault on London. I think we were testing out sea lion theories at the time, so the allied player knew that sea lion was a good possibility.
air unit rules
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Can I do an amphibious assault on an island with only aircraft?
And can those aircraft also attack the sea zone surrounding the island? -
- This question is rather ambiguous. If you’re attacking with aircraft only (no land units), it’s not an amphibious assault. If you mean, “Can I conduct an amphibious assault without cruisers or battleships for shore bombardment?”, the answer is yes, you can.
- When conducting an amphibious assault, you have to choose which aircraft will participate in any naval battle and which will participate in the land combat; they cannot do both. Any naval battle must be resolved before amphibious landings can take place.





