Which location is associated with the East Coast base for UDTs?

Little Creek, Virginia, is recognized as the East Coast base for Underwater Demolition Teams (UDTs). Established in the early years of the U.S. Navy's special operations community, Little Creek served as a vital training center for UDT personnel, especially during World War II when these teams were crucial in conducting pre-invasion reconnaissance and demolition operations. The selection of Little Creek was strategic due to its proximity to the Atlantic Ocean, providing ideal waterways for training exercises that helped prepare UDTs for amphibious assaults.

The other locations mentioned do not serve as East Coast bases for UDTs. Guam and Pearl Harbor are significant in the context of the Pacific theater, but they are primarily associated with commands and operations in that region rather than the East Coast. Fort Story, located close to Little Creek, has been used for various military purposes, but it is not specifically designated as the UDT East Coast base. Thus, the historical and operational context firmly supports Little Creek, VA, as the correct answer.