The National Veterans Memorial and Museum (NVMM) in Columbus, Ohio represents a. national. initiative of profound importance for our nation’s 16 million living Veterans. With 30,000 square feet available for exhibit space, the NVMM celebrates the service and honors the sacrifice of Veterans throughout history. Envisioned by the late Senator John Glenn (1921-2016), Colonel, USMC (Retired), as a gathering place for Veterans across the country, the ...