On this day in space! Oct. 23, 2007: NASA launches Harmony module to ISS on STS-120 space shuttle mission
October 25, 2026
On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station.
The Harmony module is a utility hub 14 feet wide and 24 feet long, or about the length of a minibus. It joins the European Space Agency’s Columbus module and Japan’s Kibo laboratory and serves as the crew quarters for the American astronauts.
Once it was installed, the…