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  • Apart from the obvious advantages of having ice to melt, filter, then drink, you can also break apart the water's hydrogen from its oxygen. Use the hydrogen and some of the oxygen as active ingredients in rocket fuel and keep the rest of the oxygen for breathing. And in your spare time between space missions, you can always go ice skating on the frozen lake created with the extracted water.

    Neil deGrasse Tyson (2007). “Death by Black Hole: And Other Cosmic Quandaries”, p.214, W. W. Norton & Company