Kosmos 1514 or Bion 6 (in Russian: Космос 1514, Бион 6) was a biomedical research mission that was launched on 14 December 1983, at 07:00:00 UTC.

More than 60 experiments were performed by investigators from Bulgaria, Hungary, the German Democratic Republic, Poland, Romania, Czechoslovakia, France, the Soviet Union and the United States.

[3] Two Rhesus monkeys were flown into orbit implanted with sensors to permit monitoring of carotid artery blood flow.

The two rhesus monkeys (Macaca mulatta), Abrek and Bion, flown on board were about three years of age and each weighed approximately 4 kilograms.

Monkeys in the flight and control groups were implanted with blood pressure and flow cuffs and sensors to measure several physiological parameters.