RCAF tracks Chinese space station

News Article / April 10, 2018

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Royal Canadian Air Force

The Canadian Space Operations Centre (CANSpOC) is the Royal Canadian Air Force’s Director General Space’s operational unit; it provides space domain awareness and surveillance to the Canadian Armed Forces as well as other governmental and commercial entities. The data it collects and analyzes is used to support domestic, deployed military and civil operations on a global scale.

The CANSpOC recently tracked the Chinese space station called Tiangong-1 (which translates as “Heavenly Palace”). The station, launched in 2011, was China’s first space station. It was home to Chinese astronauts on two occasions but had been unmanned since the summer of 2013. China lost control of the station in 2016 and its orbit began to slowly decay. It burned up on re-entry and broke apart on Sunday, April 1, 2018, over the southern Pacific Ocean.

Tiangong-1 orbited between 42.75°N and 42.75°S, meaning that it was certain the station would only re-enter between these latitudes. This constitutes about two-thirds of the Earth’s entire surface, half of which is covered by water. Canada covers an area from 41.65°S to 83.10°N latitudes. Consequently, the only region within Canada that could have been potentially at risk of falling space debris was the very southern tip of Ontario.

The station’s shape, size and material determined whether it would have completely burned up in the atmosphere or broken up into smaller pieces that could have survived re-entry. Tiangong-1’s considerable mass of approximatively 8,500 kilograms created concerns that pieces of debris might survive re-entry.

The CANSpOC collaborated with military counterparts from Australia, France, Germany, the United Kingdom and the United States to perform a series of predictions of Tiangong-1’s final re-entry point. Predicting the location where a space object will re-enter is a complex task due to the fluctuation of many variables such as the orientation of the object and atmospheric density. As the re-entry date approached, the uncertainty shrank and the predictions became more accurate. The CANSpOC provided warnings and updates to the appropriate entities in Government of Canada such as Public Safety until the space station broke up while entering earth’s atmosphere.


 

Join the RCAF - Dare to be extraordinary

Social Work Officers deliver professional social work services in a military setting to support the morale, efficiency and mental health of Canadian Armed Forces (CAF) members and their families. Social Work Officers offer clinical social work services similar to community mental health and social services agencies.

As well as the full range of challenges common to Canadian society, CAF members and their families cope with additional stresses associated with frequent moves and separations. These stresses can give rise to social and family circumstances that involve complex social work interventions.

The primary responsibilities of a Social Work Officer are to:

         - Provide clinical intervention services
         - Assist in the resolution of compassionate situations
         - Consult with and advise leaders on the social circumstances encountered by personnel in their units
         - Investigate and report compassionate situations
         - Deliver preventive and rehabilitative programs in the areas of:
                   - Pre- and post-deployment stress
                   - Suicide prevention
                   - Family violence

http://forces.ca/en/career/social-work-officer/

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