Where can I view more video footage of D.U.M.B.S (Deep Underground Military Bases)?

There is limited publicly available video footage of D.U.M.B.S (Deep Underground Military Bases) due to their secretive nature. However, you may find some related videos on platforms like YouTube. Keep in mind that the authenticity and accuracy of such videos can vary, so it's important to approach them with skepticism and critical thinking. Additionally, official information about D.U.M.B.S is generally classified and not easily accessible to the public.