NASA Johnson:
Astronaut Don Pettit swapping samples of materials to observe how they burn in weightlessness
NASA Johnson:
Astronaut Don Pettit stows plant samples inside a science freezer
NASA Johnson:
Astronaut Don Pettit removes the small satellite orbital deployer
NASA Johnson:
Astronauts Butch Wilmore and Don Pettit install futuristic exercise gear
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
NASA Johnson:
sts113-340-029
NASA Johnson:
sts113-342-006
NASA Johnson:
sts113-313-021
NASA Johnson:
s113e05243
NASA Johnson:
s113e05023
NASA Johnson:
iss006e05015
NASA Johnson:
iss006e05004
NASA Johnson:
jsc2008e119073
NASA Johnson:
iss005e21513
