Spacecraft repair involves the maintenance and fixing of spacecraft to ensure they function properly during missions. This can include repairing systems like propulsion, navigation, and communication, which are essential for the spacecraft's operation in space. Technicians often use specialized tools and techniques to address issues that arise during a mission or after a spacecraft returns to Earth. Repairs can be performed on various types of spacecraft, including satellites, space probes, and crewed spacecraft. The process may require astronauts to conduct repairs in space, or it can take place in facilities on Earth. Proper repair is crucial for the longevity and success of space missions.