Kosmos 2229, or Bion 10 (in Russian: Бион 10, Космос 2229) was a biomedical research mission involving in ten countries plus European Space Agency (ESA).

The neurovestibular data acquisition system was updated through a joint American-Russian development effort, allowing more parameters to be recorded in flight.

[1] Participating scientists were from ten countries (Canada, France, Germany, Lithuania, Netherlands, China, Russia, Ukraine, United States, and Uzbekistan), plus European Space Agency (ASE).

As on previous Kosmos biosatellite missions, the monkeys were trained to activate food and juice dispensers.

For in-flight neurovestibular testing, the monkeys were trained to make hand and head movements in response to visual stimuli.