Cosmonauts Sergei Krikalev and Yuri Gidzenko

ISS01-E-5155 (December 2000) --- Cosmonauts Sergei K. Krikalev (left), Expedition 1 flight engineer, and Yuri P. Gidzenko, Soyuz commander, input data into a laptop computer in the Zvezda Service Module aboard the Earth-orbiting International Space Station (ISS).