This primary source comes from the Collection RR-WHPO: White House Photographic Collection.
Full Citation: C33089-18; Photograph of President Reagan and his staff watching a televised replay of the Space Shuttle 'Challenger' explosion; 1/28/1986; Reagan White House Photographs, January 20, 1981–January 20, 1989; Collection RR-WHPO: White House Photographic Collection; Ronald Reagan Library, Simi Valley, CA. [Online Version, https://www.docsteach.org/documents/document/photograph-of-president-reagan-and-his-staff-watching-a-televised-replay-of-the-space-shuttle-challenger-explosion, April 24, 2024]