During his fourth mission to the International Space Station, NASA astronaut Don Pettit will serve as a flight engineer and member of the Expedition 71/72 crew. After blasting off to space, Pettit will conduct scientific investigations and technology demonstrations to help prepare crew for future space missions. Pettit will launch on the Roscosmos Soyuz MS-26 … Continue reading NASA Astronaut Don Pettit to Conduct Science During Fourth Mission