Ah, the Beerfarer - a whimsical concept. Take a spaceship that normally would carry fuel in its underslung tanks and instead use them for transporting beer. As it turns out, we're a good 70 years late on this idea.
The above is a Supermarine Spitfire, one of the most famous combat aircraft of WWII. Note the objects under the wings. Bombs? Depth charges? Oh no no no, my dear TESTie...
Yes indeed, they are beer kegs. Ingenious methods were devised to ferry that most crucial of liquids across the English channel to thirsty allied troops in Normandy just after the D-Day invasion.
Quench your desire to know more: The Story of the Ultimate High Flying Beer Run