Spotters followed specific protocols in monitoring the skies for aircraft.


This file appears in: Eyes to the Skies!

Barb Mortenson of Gorham, New Hampshire demonstrates binoculars’ restricted use to identify planes. Actual ground observing or “spotting” was done with the naked eyes. Spotters followed specific protocols in cooperation with the United States Air Force. Image courtesy United States Library of Congress.


This file appears in: Eyes to the Skies!