Why is the removal of water from food essential for space missions?

Answer

It drastically reduces launch costs by decreasing payload weight.

Every gram added to a spacecraft requires a proportional increase in fuel because rockets must overcome the intense pull of gravity to escape Earth. Since water is heavy, transporting large amounts of it into orbit incurs significant financial costs. By removing the water content, which makes up a large percentage of the weight in fresh items, NASA decreases the total mass of food stores, allowing for more supplies to be stored while remaining within the strict physical and economic constraints of spaceflight.

Why is the removal of water from food essential for space missions?
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