The Military History Research Centre is a facility in the museum that houses the Hartland Molson Library Collection, and the George Metcalf Archival Collection. The Hartland Molson Library Collection serves as the museum's reference collection on Canadian military history, materials, and rare books; whereas George Metcalf Archival Collection serves as an archive for blueprints, daguerreotypes, films, journals, logbooks, maps, photographs, scrapbooks, and tapes. The research centre includes a general reading area that overlooks the adjacent river, and a specialized reading room for more fragile materials.