The importance of this collection lies in the strength of the animal-related equipment for horse, mules, and war dogs. This equipment includes saddles, both personal and pack, bridles and other tack used in the harnessing of animals, spurs, stirrups, animal gas masks, and equipment used in grooming.

The collection includes accoutrements, a category that includes soldier personal equipment throughout history with emphasis on early to mid-20th century. Typical items in this category include such things as eye glasses, sewing kits, toiletry items, pens, cigarette lighters, etc. Personal items were an important supply activity for the Corps. Such items also portray the human aspect of soldiering.