The Buran spacecraft was a Soviet orbital vehicle analogous in function and design to the US Space Shuttle. It only made one space flight on November 15, 1988.
The OK-GLI was a test vehicle in the Buran programme. It was constructed in 1984, and was used for 25 test flights between 1985 and 1988 before being retired.
Space
Links: en.wikipedia.org, en.wikipedia.org
By: kjfitz