لاندسات
During the 1970s, Telespazio experienced a period of expansion and diversification. During May 1974, it signed a memorandum of understanding with NASA to engage itself in the Landsat program, gathering satellite imagery for Earth Observation purposes according to the signed in May 1974. During that same year, Telespazio became involved in the development of the Sirio programme, thus helping to launch the first Italian telecommunications satellite during 1977. Other major activities of the decade included the in-orbit control of satellites, and the opening of a second space centre in Gera Lario, Lombardia in 1977.