Spotters occupied observation posts twenty-four hours a day.
This file appears in: Eyes to the Skies!: Civil Defense Volunteers Ensured Safety and Posterity
GOC spotters monitored aircraft activity from observation posts until the late 1950s, when radar technologies surpassed the accuracy and range of the human eye. Image courtesy Washington Secretary of State Archives, Eastern Washington Branch.
This file appears in: Eyes to the Skies!: Civil Defense Volunteers Ensured Safety and Posterity
Eyes to the Skies!: Civil Defense Volunteers Ensured Safety and Posterity
Ground Observer Corps volunteers support Air Force command in protection from Soviet air attacks