The term COSMONAUT HOME refers to the four Russian cosmonauts who lived in the Mir space station. The first cosmonaut was MIR, a three-letter name. The second was OLEGS, a five-letter name. The third was TITOV, also a five-letter name. The fourth was YURI, a four-letter name. The fifth was OLEG, another four-letter name. The sixth and final cosmonaut was ALEXEI, a six-letter name. All of these cosmonauts lived in the Mir space station, which served as their home while they were in space.