Archivist of the United States and a pleasure to welcome you here to the william g. Mcgowan theater at the National Iraq ives. Whether in the room or participating through facebook or youtuben a special welcome to our cspan audience. Im pleased you could join us for tonights Program Small steps pan giant leaps how apollo 11 shaped our understanding of earth and beyond. Tonights program is presented in partnership with the American Geophysical union, swrating its 100th anniversary this year and made possible in part by the National Archives foundation through the generous support of the boeing company. We thank them for support. Starting tonight a and the next four days we commemorate the 50th anniversary of the historic flight of apollo 11 and the first moon landing. Tomorrow night, july 18th well screen the recently recent celebrated documentary, apollo 11, crafted from newly discovered video and audio recording here at the National Archives. Following the film, the nasa chief histori