Astronauts Vande Hei and Acaba at the DACOR Bacon House

Attendees listen as NASA astronauts Joe Acaba and Mark Vande Hei speak about their time onboard the International Space Station, Friday, June 15, 2018 at the DACOR Bacon House in Washington. The house is an early nineteenth century home and the current headquarters of DACOR Foundation, an organization of foreign affairs professionals. Photo Credit: (NASA/Aubrey Gemignani)