This image was acquired from
flickr. 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:
indoor electronics camera white background timepiece GX USN Point Mugu California. diver prepares to test experimental equipment for use as navigational aid. Photographed by PH Walton May . U.S. Navy Photograph now in the collections of the National Archives. GX USN Point Mugu California. diver prepares to test experimental