Overview
Soyuz 26 was the first successful mission to the Salyut 6 space station and the crew set a world record at the time for longest spaceflight. A month after launch, the Soyuz 27 crew arrived and docked to Salyut 6 before transfering into Soyuz 26 and landing, making Soyuz 26 the first mission to launch with one crew and land with a completely different set of people.