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The article reports that Canada's Department of Transport has signed a 5 million dollars contract with Raytheon Co. for supplying radar units to monitor the country's air traffic. Raytheon has been asked to deliver the first of the radar units in 1957 and the transcontinental traffic control system will become functional an year later. The radar system is being introduced to boost safety in air space with increasing air traffic.

The article offers news briefs on atmospheric and space environments. The Jacchia-Bowman new empirical thermospheric atmospheric density model has been developed. The final flight tests for an airborne W and X band radar for cloud physics, dynamics and cloud remote detection research are undergoing at the Institute for Aerospace Research of the National Research Council of Canada. The list of the Research Focus Areas for the Aircraft Icing Research Alliance was updated.

The article presents information on Canada's role in the race for militarization in space and the use of RADARSAT, which is the world's most advanced synthetic aperture radar satellite system. Various benefits of RADARSAT are discussed including the use of its data for military purposes. To maintain Canada's leading role in the race to further militarize space, the Federal government is constructing the RADARSAT-3.