Discussant about geoscience and how lunar samples from the Apollo Mission help scientists understand our moon and solar system. The National Archives and American Geophysical union cohosted this event. [captions Copyright National cable satellite corp. 2019] i am thevening, archivist of the united states. Its a pleasure to welcome you to the william g mcallen theatre, whether you are here in the room with us, or participating through facebook or youtube, and a special welcome to our cspan audience. If you could please join us for tonights program, small steps 11 giant leaps, how apollo shaped our understanding of earth and beyond. Tonights program is presented in partnership with the american episcopal union, celebrating its geophysicalrsary union, celebrating its 100th anniversary, and the generous support of the boeing company. Days, we arefour commemorating the 50th anniversary of the historic flight of apollo 11 and the first moon landing. We will night, july 18, screen a celebrate