Russian cosmonaut Fyodor Yurchikhin (c.) is seen inside of the Soyuz capsule through the porthole, with the reflection of ground personnel pictured in its glass, at the Baikonur Cosmodrome on June 4. Yurchikhin, U.S. astronauts Doug Wheelock and Shannon Walker are scheduled to fly to the International Space Station (ISS) in a Soyuz TMA-19 spacecraft on June 15. Sergei Remezov/Reuters
Travelers watch a news broadcast announcing the delay of the much anticipated rocket launch carrying a satellite on June 9 in Seoul, South Korea. South Korea's planned launch of a space satellite was delayed Wednesday due to a technical glitch and was likely to be postponed to another day, a government official said. Wally Santana/AP
U.S. astronauts Doug Wheelock (l.), Shannon Walker (r.) and Russian cosmonaut Fyodor Yurchikhin (c.) pose for a picture in front of the Soyuz TMA-19 spacecraft at the Baikonur Cosmodrome on June 4. Yurchikhin, Wheelock and Walker are scheduled to fly to the International Space Station (ISS) in a Soyuz TMA-19 spacecraft on June 15. Sergei Remezov/Reuters
The International Space Station is seen in this image photographed by an STS-132 crew member on space shuttle Atlantis after the station and shuttle began their post-undocking separation on May 23. NASA/AP
Space Shuttle Atlantis approaches the Kennedy Space Center in Florida for landing to end it's 12 day mission to the International Space Station on May 26. Atlantis and its crew of six astronauts carried a new Russian-built module to the ISS and conducted three spacewalks to install new batteries and spare components on the outside of the orbital laboratory complex. Reuters
An amateur astronomer's view of Jupiter is seen on June 3. Anthony Wesley/AP
Back dropped by Earth's horizon and the blackness of space, the Japanese Kibo complex of the International Space Station is featured in this image provided by NASA and photographed by an Expedition 23 crew member while space shuttle Atlantis remained docked with the station on May 26. NASA/AP
NASA astronauts Michael Good (l.) and Garrett Reisman, both STS-132 mission specialists, look through the aft flight deck windows of space shuttle Atlantis in this image provided by NASA during the mission's third and final session of extravehicular activity on May 21. NASA/AP
Supporters of the separatists gathered in Donetsk Sunday for a rally, where they urged Russian President Vladimir Putin to help.
ByYuras Karmanau, Associated Press
Discouraged but defiant, pro-Russia separatists vowed to keep fighting the government in Kiev from the largest city in eastern Ukraine, where they regrouped Sunday after being driven out of a key stronghold.