MacDonald, Dettwiler and Associates Ltd. (MDA) provide ground-based and space-based information solutions that support the operational needs of government, both military and civilian, and commercial customers worldwide. It operates in two segments: Communications, it manufactures and integrates satellites, satellite sub-systems and advanced antennas for commercial and government customers worldwide and The Surveillance and Intelligence and Surveillance and Intelligence, it provides ground-based and space-based information solutions that support the operational needs of government, both military and civilian, and commercial customers worldwide. Its information solutions include Earth observation ground systems, defense information systems, airborne surveillance systems, transportation management systems, geospatial services, space-based platforms for Earth observation and advanced solutions for space exploration missions, as well as various mission sub-systems and support services.