"When South Korea’s first astronaut, Ko San, blasts off April 8 aboard a Russian spaceship bound for the International Space Station, the beloved national dish will be on board. Three top government research institutes spent millions of dollars and several years perfecting a version of kimchi that would not turn dangerous when exposed to cosmic rays or other forms of radiation and would not put off non-Korean astronauts with its pungency." See more.
There's more to it. Astronaut Ko plans to prepare a Korean dinner in the space station to share with fellow crew. Indeed this is a milestone in the globalization of kimchi.