The crew boards the transfer bus, suitably adorned with horseshoes, and on their trip to the pad performs yet another ritual harking back to Yuri Gagarin (first Russian cosmonaut to go to space).
The bus stops, the crew members file out, and repeating an act performed by the great Gagarin himself, urinate on the right rear wheel of the bus.
Female members are excused this obligation, but the more enthusiastic women cosmonauts have been known to take a vial of their urine with them and sprinkle it on the bus.
