Thales Alenia Space has been responsible for manufacturing various space-related products. It has produced several ranges of satellites, performing missions such as telecommunications, navigation, Earth observation and space exploration. The company is the second largest industrial participant in the International Space Station (ISS), having produced the European Space Agency's (ESA) modules for the ISS. It is also producing satellites for Galileo, a European global satellite navigation system (GSNS). Thales Alenia Space is presently jointly owned by the Italian defense conglomerate Leonardo and French defense electronics specialist Thales Group.