Pizza Hut once made a delivery to the International Space Station in 2001. They paid the Russians $1 million to transport the Pizza (and make a commercial from it).
U.S. and Russian astronauts on the ISS have separate water supplies. While the U.S. water uses iodine for bacteria control, the Russian water uses silver. If these substances mix, a silver-iodine precipitate forms in the water, which may clog the sublimator in the NASA EMU spacesuit.
