Host: Chris Churchill. Assisted by Trevor Picard, Lauren Kahre, and Ali Hyder
Host: James McAteer. Assisted by Laurel Farris, Kristen Luchsinger, and Matthew Varakian
Host: Moire Prescott. Assisted by Emma Dahl, Drew Chojnowski, and Oana Vesa.
Host: Jason Jackiewicz. Assisted by Jeremy Emmett, Caitlin Doughty, and Annie Hedlund.
Dale Frail, NRAO