Based on the two probes "Viking 1" and "Viking 2" focusing on Viking 1. Two successful probe launches, both equipped with a lander. Starts of very exciting with a hint of suspense, because every launch is. Viking 1 was shot up August 20th, 1975. The lander landed on Mars 11 months later, on July 20th, 1976. The end of the piece represents the sad deactivation of both the lander in 1980 and 1982.