If anyone is looking for a scenario or small campaign to create consider that the battle of Battle of Milne Bay is not currently covered, it was a turning point in the Pacific war and Japan's first land defeat.
It surprised me that it wasn't covered when I checked Scenhack, I had assumed it was
https://www.youtube.com/watch?v=Hj7MpX1dpQc
https://en.wikipedia.org/wiki/Battle_of_Milne_Bay