Dragon will be loaded with a payload of 1200 pounds, including supplies for the astronauts, equipment, and scientific experiments.

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Expected to weigh roughly 1.2 million pounds, the combination would roughly match the maximum takeoff weight of the largest, fully loaded Airbus A380 superjumbo plane, but the wings would be more than 120 feet longer than those of the Airbus A380.

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Out in the field, once a solider is fully loaded down with weapons, ammunition, and equipment, he can be shouldering over a hundred pounds.

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