DUMBs, or Deep Underground Military Bases, are secretive facilities built beneath the Earth's surface. These bases are often associated with military operations, research, and storage of equipment. They are designed to be secure and hidden from potential threats, providing a safe environment for sensitive activities. These underground structures are typically constructed using advanced engineering techniques to withstand natural disasters and attacks. While some believe they are used for covert operations, others speculate about their involvement in various conspiracy theories, including connections to extraterrestrial life and advanced technology.