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Former Astronaut Judith A. Resnik
Former Astronaut Judith A. Resnik

Judith Resnik, an engineer and pilot, was selected in NASA's 1978 class of astronauts. She was one of the first…

Former Astronaut Thomas Kenneth Mattingly II
Former Astronaut Thomas Kenneth Mattingly II

Ken Mattingly was selected in NASA's fifth group of astronauts in 1966. A member of the prime crew for the…

Expedition 53 Image Gallery
Expedition 53 Image Gallery

View images taken by the Expedition 53 crew aboard the International Space Station of its mission and science activities including…

Expedition 62 Image Gallery
Expedition 62 Image Gallery

The Expedition 62 image gallery shows photographs taken by the crew from aboard the International Space Station of its mission…

Radioisotope Power Systems Videos
Radioisotope Power Systems Videos

Videos explaining how Radioisotope Power Systems (RPS) work.

Radioisotope Power Systems Images
Radioisotope Power Systems Images

Images of Radioistope Power Systems, including Multi-Mission Radioisotope Thermoelectric Generators (RTGs), diagrams, Stirling converters, and other nuclear heat and power…