PARIS Europe's fourth Automated Transfer Vehicle pulled into port at the International Space Station on Saturday (June 15), delivering a hefty load of supplies, including rocket fuel, experiments, food and clothing for the lab's six-person crew.

The 20-ton spaceship, named for physicist Albert Einstein, docked with the space station's Russian service module at 10:07 a.m. EDT (1407 GMT) after a glacial automated approach guided by high-tech lasers and cameras.

The docking occurred about 20 minutes behind schedule after engineers at the ATV control center in Toulouse, France, took extra time to reset navigation parameters on the unmanned supply craft. [See Photos of Europe's ATV Robotic Space Cargo Ships]

"Thanks to the ground teams," Italian astronaut Luca Parmitano posted on his Twitter account. "ATV docking was really easy. Now the hard job begins: unpacking everything!"

The cargo ship blasted off on an Ariane 5 rocket from French Guiana on June 5, beginning a 10-day pursuit of the space station. A Russian Progress supply freighter left the space station Tuesday, clearing the aft port of the Zvezda service module for the arrival of the Albert Einstein spacecraft.

The ATV hauled seven tons of payload to the space station, including 5,465 pounds (2,479 kilograms) of supplies stowed inside the craft's cargo cabin. The materials include food tiramisu, lasagna, parmesan and other meals along with experiments, clothing and spare parts.

"With the fourth ATV now ready to support and supply the space station with essential supplies and scientific experiments, ESA again proves itself to be a reliable partner in the international station upon which the future can be developed," said Jean-Jacques Dordain, director general of the European Space Agency.

Astronauts will open the hatches between Zvezda and the cargo ship Monday, with unpacking of the ATV's pressurized compartment due to begin Tuesday. Technicians loaded the ATV's cargo hold with 209 bags containing 1,400 items, which will take several weeks for the crew to move and store inside the space station.

Most of the supplies are for NASA, which uses resupply craft owned by Europe and Japan in a barter arrangement. The European Space Agency and Japan Aerospace Exploration Agency pay for their share of the space station's operating costs through cargo services instead of cash.

ESA says each ATV mission costs 450 million euros, or about $600 million.

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European Cargo Ship 'Albert Einstein' Docks at Space Station