|Antenna on Security Hill|
This elephant cage antenna was said to be the largest in the Far East and was a part of a worldwide network to monitor communication from the former Soviet Union, China, and North Korea. Construction of the antenna began July 1, 1963, and it was finished in March 1965. It has since been removed probably due to evolving technology and digital communication.
The facility, one of the last of its kind, sat next to Misawa Air Base on a 39 acre plot, called Security Hill.