August 20, 1977 – Voyager 2 is Launched Toward The Outer Solar System. For 38 years, It Has Been Powered By Plutonium Decay.
August 4, 1977 – President Carter Signs the The Department of Energy Organization Act Combining Several Agencies Under the New Secretary of Energy.
June 1973 – The First 1,000-Megawatt Nuclear Plant Goes into Service (Commonwealth Edison’s Zion Nuclear Power Plant).
