The objectives were:
to gain engineering and operational experience in conducting research on an orbital space station;
to characterise the environment relative to micro-gravity and life sciences;
to better understand past and future investigations;
to conduct specific investigations in medical support, life sciences, micro-gravity sciences, Earth observation and life support.
NASA is paying $334 million to Russia to accommodate five astronauts on the Mir 1 during 1995-7.
Source: Flight International