STS105-E-5108 (12 August 2001) --- Frank L. Culbertson, Jr., Expedition Three mission commander, leads cosmonaut Vladimir N. Dezhurov (back top), Expedition Three flight engineer, and Scott J. Horowitz, STS-105 commander, into Unity Node 1 during the initial ingress into the International Space Station (ISS) during the STS-105 mission. Culbertson and Dezhurov, accompanied by cosmonaut Mikhail Tyurin, will be replacing astronauts Susan J. Helms and James S. Voss and cosmonaut Yury V. Usachev as the temporary residents of the ISS. This image was taken with a digital still camera.