Power Systems Propulsion Systems Thruster Systems Scientific Instruments Thruster Technology Spacecraft Systems Lunar Landers Boeing Starliner Instrument Design Launch Vehicles Power Management Radiation Protection Human Landing Systems Communication Systems Cargo Spacecraft Mission Design Mission Operations Precision Navigation Telemetry Systems NASA Spacecraft Spacecraft Operations Navigation Systems Memory Chip Issue Communication Challenges Soyuz Spacecraft Leak Detection Helium System Crew Dragon Module Crew Dragon Flight Testing Crew Dragon Capsule Reusable Rockets Helium Leaks Safety Protocols Transistor Technology
Pettit, the oldest active astronaut, landed safely in Kazakhstan with two Russian cosmonauts following a research-focused ISS mission.