The crew of the Star Trek #SIBeamup Social at the National Air and Space Museum in Washington, DC on May 16, 2013. Standing in front of the Starship Enterprise model used in the filming of the original 1960s Star Trek TV series (left to right): Alena Callaghan (@alenacallaghan), Terilee Edwards-Hewitt (@terille007), Museum curator of social and cultural dimensions of spaceflight Margaret Weitekamp (@mgtwspace), Erin Allen (@erin_allen), Tim Clarke (@timeclarkejr), Annie Lynsen(@thinklynsen), Erin Ryan (@erinleeryan), Michael Smith (@mikesmith916), Kat Mullens (@katmullens), Jessica Tozer (@JLTozer)