The Next 10 Americans in Space

The shuttle has retired, but the astronauts have not.

(NASA/Carla Cioffi)

Joe Acaba

(NASA)

Acaba (right) was one of three teachers chosen as educator astronauts in 2004 (Ricky Arnold and Dorothy Metcalf-Lindenburger were the others). He and Arnold flew together on the STS-119 shuttle flight, and did a spacewalk together on the mission’s ninth day to reconfigure equipment attached to the outside of the space station. A former Peace Corps volunteer, Acaba is the first person of Puerto Rican heritage to fly in space. He'll be a flight engineer on Expedition 31/32, due to launch in March 2012.

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