The user creates an account. Their password is hashed and stored in the database. At no point is the plain-text (unencrypted) password ever written to the hard drive. When the user attempts to login, the hash of the password they entered is checked against the hash of their real password (retrieved from the database).
List of International Space Station expeditions. This is a chronological list of expeditions to the International Space Station (ISS). All permanent ISS crews are named Expedition n, where n is sequentially increased with each expedition. Resupply mission crews and space tourists are excluded (see List of human spaceflights to the ISS for details). ISS commanders are listed in italics.
Take a 360-degree virtual tour of the International Space Station's Zvezda Servie Module and the Zarya Module at Discovery Online's multimedia web site. Track the Space Station Discovery Online provides up-to-the-minute information on where the Space Station is in its orbit, with maps and a tracking system that lets you know when and where to look for the ISS as it passes over your own backyard.