A Russian supply ship docked to the international space station on Friday, delivering more than 2 tons of food, water, equipment and scientific experiments.
The three men aboard the space station monitored everything from inside. Russian and U.S. space officials said the docking went smoothly.
The unmanned Progress cargo ship blasted off from Kazakhstan two days earlier.
Space shuttle Discovery is scheduled to lift off May 31 with an even bigger delivery for the space station: a massive laboratory from Japan named Kibo, which means "hope."
Two Russian cosmonauts and one U.S. astronaut are living at the orbiting complex.
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