Like all of our public programs, this lecture is prevented is presented free of charge. This is possible thanks to the generous support of g. E. Aviation. Private contributions like theres are critical to our programs and exhibitions. Tois my privilege acknowledge them for their long and outstanding support. Joining us is the Digital Solutions leader of military solutions. Lisa, our colleagues at g. E. , we thank you for your substantial and enduring support. [applause] mr. Browne since we opened the museum on the mall, and our center in chantilly in 2003, more than 250 Million People have walked through our doors to be informed and inspired by the history of flight and space travel. Drawing from the museums priceless collection of iconic artifacts and intellectual trust, our curators, volunteers, curators, educators, volunteers, and others, and ever and others, endeavor to tell stories about aerospace and how it is defined and shaping the american experience. This evening we are joine