Jacqui Grainger, has been the Librarian at the Royal United Services Institute for Defence and Security Studies (RUSI) since 2017. Although a relatively unknown archive, Jacqui hopes that by digitizing the collection it will make it more accessible to both Members and the general public. RUSI receives many inquiries about heritage assets that formed part of the RUSI museum, closed in 1962, and this interest has led Jacqui to work on a part-time PHD collaborating with the AHRC and the University of Westminster, exploring the history of this 'Lost Museum'.