A Tee shirt given to participants of Operation Morning Light, a large, multi-organization, Canadian-American, operation in January 1978 to locate, identify and collect the debris of Cosmos 954, a Russian satellite whose launch was only partially successful. The satellite, which was powered by a small nuclear reactor, re-entered the atmosphere over northern Canada and spread radioactive debris over a huge part of the North West territories. Bill Taylor of Chalk River was requisitioned by the Atomic Energy Control Board (AECB) to assist with the safe packaging and shipment of the radioactive materials recovered for transfer to the Whiteshell laboratories for analysis. The Tee shirt was sent to Bill by the Department of National Defence, the lead agency for Operation Morning Light.