This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cutlervlf. US Navy Cutler VLF Transmitter facility Maine as seen from across the Little Machias Bay of distance of about miles It transmits operational orders oneway to submerged submarines worldwide at frequency of kHz with power of megawatts and was at one time the most powerful radio station in the world This type of antenna