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:
Stern view of American submarines in Gatun Lock LOC . Bain News Service publisher Stern view of American submarines in Gatun Lock between ca and ca negative glass in or smaller Notes Title from data provided by the Bain News Service on the negative Forms part of George Grantham Bain Collection Library of Congress Format Glass