[SatNews] MacDonald, Dettwiler and Associates Ltd. (TSX: MDA) has announced that the US National Geospatial-Intelligence Agency has exercised an option under an existing Indefinite Delivery/Indefinite Quantity delivery order with MDA. The multi-million dollar option is for the provision of additional information derived from RADARSAT-2 that will be used to create ice charts to improve the safety of maritime navigation.