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.
The International Space Station (ISS) is a habitable human-made satellite that orbits Earth at an altitude of between 330 km (205mi) and 435 km (270 mi). The ISS comprises pressurised modules for astronauts to live in, external trusses for propulsion, solar arrays for power and many other amazing components.