Mir EO-5
Crew
The crew consisted of two Soviet cosmonauts. They had both been in space, but only Viktorenko had previously been to Mir, which was a 7-day visit during Mir EP-1.

Mir EO-5

Section Title: Crew
Table Section Text: The crew consisted of two Soviet cosmonauts. They had both been in space, but only Viktorenko had previously been to Mir, which was a 7-day visit during Mir EP-1.

Mir EO-5	Name	Spaceflight	Launch	Landing	Duration

Commander	Soviet Union Alexander Viktorenko	Second	5 September 1989 Soyuz TM-8	19 February 1990 Soyuz TM-8	166 days

Flight Engineer	Soviet Union Aleksandr Serebrov	Third

Sentence(s)

During their stay upon Mir, the mission in total lasted 166d, from launch to landing.

final_sentence: During their stay upon Mir, the mission in total lasted 166d, from launch to landing.