The Italian-built Node 2 module, also known as Harmony, during the first day of the STS-120 mission. Harmony was carried into space inside Discovery's cargo bay. STS-120 launched from Kennedy Space Center, Florida, at 17:38 CEST (15:38 UT) on 23 October 2007. Harmony is scheduled to be installed on the International Space Station during a six and a half hour spacewalk on 26 October 2007.