It is not part of the Department of Defense or any of its components, and it has no government status The Lewis Army Museum collects, preserves, displays and interprets artifacts pertinent to the history of Camp Lewis, Fort Lewis, and Army component of Joint Base Lewis-McChord, the units which have served here and the role of the U.S. Army in the exploration, defense and development of the Pacific Northwest. The Museum features an outstanding collection of uniforms, weapons, military art and memorabilia associated with the United States Army.