Discovery Air Fire Services is a premier provider of special-mission aviation services. Discovery Air Fire Services is the exclusive provider of Aerial Wildfire Detection and Airspace Management (Birddog) for the Ontario Ministry of Natural Resources.The Company's Walsten Air division are home to some of Canada's most experienced King Air pilots and operate under a long-term contract for Court related Air Charter services in Northern Ontario. The Company provides colour, multi-spectral, and infrared imagery to a wide variety of industries including mining, forestry, government, academic, and natural resources. Discovery Air Fire Services was acquired by MAG Aerospace on September 8, 2016