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Thundersports was essentially a sports-car version of Formula Libre with cars from Sports 2000, Group 5, Group 6, Can-Am, Group C and various other prototype categories all eligible; a number of hybrid cars appeared in the series.
Then Captain Leon A. Edney served as Chief of Staff to the Commander Cruiser-Destroyer Group 5 after 1976.
He missed out on fighting for the title in 1980 due to repeated mechanic failures, but won the B2 class in 1981 in a heavily modified Group 5 Porsche 911.
Between the years 2000 and 2001, he participated in the Macroeconomics and Health Commission, led by Professor Jeffrey Sachs in the Working Group 5 on Mechanisms for Improving health outcomes of the poor, under the leadership of Professor Anne Mills.