NASA Johnson: Astronaut Don Pettit points a camera outside a window for a sun photography session
NASA Johnson: Astronaut Don Pettit points a camera outside a window for a sun photography session
NASA Johnson: Astronaut Don Pettit points a camera outside a window for a sun photography session
NASA Johnson: Astronaut Don Pettit processes bacteria samples
NASA Johnson: Astronaut Don Pettit works on weekend housekeeping duties
NASA Johnson: Astronaut Don Pettit takes a break and poses for a portrait
NASA Johnson: Astronaut Don Pettit unpacks and gathers research hardware
NASA Johnson: NASA Astronaut Don Pettit Sets up for Science of Opportunity
NASA Johnson: Astronaut Don Pettit looks out a window on the SpaceX Dragon Endeavour spacecraft
NASA Johnson: Astronaut Don Pettit works inside the Kibo laboratory module
NASA Johnson: NASA astronaut Don Pettit works on maintenance activities
NASA Johnson: NASA astronaut Don Pettit
NASA Johnson: NASA astronaut Don Pettit works on maintenance activities
NASA Johnson: Astronaut Don Pettit is pictured in his Sokol launch and entry suit
NASA Johnson: Astronaut Don Pettit signs in for crew qualification exams
NASA Johnson: NASA astronaut and backup Soyuz MS-25 Flight Engineer Don Pettit
NASA Johnson: Portrait Astronaut Don Pettit
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