What is the fine-grained topic of the following text: Russian cosmonaut Anton Shkaplerov, (bottom); Japanese astronaut Norishige Kanai, middle; and U.S. astronaut Scott Tingle, above; wave prior to the launch of the Soyuz-FG rocket at the Russian-leased Baikonur cosmodrome in Kazakhstan on Sunday. Only return the topic.
Launch of the Soyuz-FG rocket at Baikonur cosmodrome with Russian, Japanese, and U.S. astronauts.