On February 7, ESAs final two habitable modules will be carried to the International Space Station onboard the space shuttle Endeavour. The Cupola, a control and observation post, will be attached to earth facing side of Node 3, which is a connecting module with life support and environmental control functions and will be attached to the left side of the ISS. The attachment and onboard functions of the two modules are explained, and their development, construction and implications for Europe are discussed in this video.