MacDonald, Dettwiler and Associates Ltd. (MDA) is a Canada-based communications and information company. The Company provides operational solutions to commercial and government organizations across the world. MDA operates through two segments: Communications segment, and Surveillance and Intelligence segment. In the Communications sector, MDA offers solutions for delivery of a range of services, including television and radio distribution, broadband Internet and mobile communications. It supplies communication satellites, satellite payloads, satellite antenna subsystems, and associated ground infrastructure and support services. In the Surveillance and Intelligence sector, MDA offers solutions to monitor changes and activities across the globe. It supplies space-based and airborne surveillance solutions, imaging satellite ground systems, geospatial information services and associated support services. It also supplies robotic systems for the space and terrestrial markets.