Space shuttle Discovery astronauts will wrap up some work on the new lab before they get ready to leave the international space station.
The lab's robotic arm is being fully extended. Over the weekend, the 33-foot arm was moved for the first time, but only a little bit.
Over the summer, the space station's crew will continue checking out the arm. This will culminate with the arm being used to grapple a storage shed that sits atop the lab.
Check out News 3's exclusive interview with Aggie astronaut Mike Fossum from aboard Discovery by clicking here.
The robotic arm won't be used for any actual work until after next year's arrival of the lab's third and final section, as well as a smaller robotic arm.
The lab's storage shed will also be opened today for the first time since it was moved from a different location on the space station. Astronauts are going to remove some equipment in the shed that is needed in other sections of the space station.
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