Astronaut Frederick (Rick) Sturckow (center), STS-105 pilot, is about to add his name to the log of visitors to the International Space Station (ISS) during a brief break in the orbital outpost's Unity node during the August 2001 mission. Astronaut Scott J. Horowitz, STS-105 mission commander, is at right. Sturckow will command the STS-117 mission to the ISS aboard Atlantis in June 2007. Credit: NASA
