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
NASA Johnson: jsc2004e23320
NASA Johnson: s96-16632
NASA Johnson: jsc2003e37451
NASA Johnson: jsc2003e37450
NASA Johnson: jsc2003e34588
NASA Johnson: jsc2003e33758
NASA Johnson: jsc2002e43941
NASA Johnson: jsc2002e43937
NASA Johnson: jsc2002e43073