He doesn’t look like he’s going to be drinking coke again…I took a quick look, and I was incorrect above - Coke and Pepsi were both flown on STS-51F. I like how the Smithsonian says "results were mixed," which is presumably PR code for, "astronauts had trouble keeping their food down when burping up the CO2."
https://airandspace.si.edu/collection-objects/coca-cola-can-sts-51-f/nasm_A19850814000
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