My favorite WW2 morale detail: https://en.wikipedia.org/wiki/Ice_cream_barge

The British did better

Put beer into drop tanks on Spitfires

https://planehistoria.com/flying-pubs-spitfires-flew-beer-to...

That still happens in America. Hike to a remote place, and get your friend to drop a keg in a mountain lake from his plane.

"Alpine Lake Keg Drop".