The next space program, the Gemini program, saw improvements. The quality, packaging, and variety were all much better. Gemini astronauts could choose from such delicacies as seafood cocktail, chicken and vegetables, and dessert with apple sauce.
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By the time the Apollo missions were launched, things were even better. The introduction of hot water greatly improved the quality of rehydrated dried foods, and the astronauts were able to eat them out of fairly normal plastic containers with attached spoons called spoon bowls. The food tasted much better, too. The men who traveled to the moon in Apollo 11, led by Neil Armstrong, may not have felt that they were in a top quality restaurant, but at least they landed with a reasonable meal inside them.
As space flight became more common, with the advent of the Space Shuttle, food and the way it was served gradually improved further, in terms of presentation, taste, types of food available, and nutrition. In fact, what astronauts eat now is not so different from what you could pick up in a regular supermarket. Space travelers also get to choose the food they want to eat in advance, or can change the menu on a particular day if they feel like it. The older astronauts must look at them with envy, as they think about the days of frozen tasteless powders and tubes of semi-liquid food.
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