Leonid Kostyantynovych Kadenyuk (Ukrainian: Леонід Костянтинович Каденюк, 28 January 1951 – 31 January 2018) was the first astronaut of independent Ukraine. He flew on NASA's Space Shuttle Columbia in 1997 as part of the international mission STS-87.
STS-87 was a Space Shuttle mission launched from Launch Complex 39B of the Kennedy Space Center on 19 November 1997. It was the 88th flight of the Space Shuttle, and the 24th flight of Columbia. The mission goals were to conduct experiments using the United States Microgravity Payload (USMP-4), conduct two EVAs, and to deploy the SPARTAN-201 experiment.Low Earth Orbit