NSS Annapolis, Former naval station in the United States of America
NSS Annapolis served as a former naval radio transmitting facility.
Commissioned in 1918, it played a significant role during World War II.
The site symbolizes early naval communication advancements.
Decommissioned in 1998, the property has been repurposed for public use.
It housed the world's largest vacuum tube once, standing at over 12 feet.
Location: Anne Arundel County
Source: Wikimedia