millitary base plans feature

Library of Congress: Site Plan: Real Estate, Custer Reserve Forces Training Area, Military Reservation, USACOE, 20 July 1948 - Fort Custer Military Reservation, Bounded by Territorial, Dickman, & Longman Roads & Route 94 Business, Battle Creek, Calhoun County, MI

Graphical Representations of Military Installations Are Banned

By June 25, 1948

In 1948, Congress enacts two sections of the Espionage Act pertaining to the publication of any “graphical representation” of military installations, including photos and drawings.

Additionally, they ban the use of aircrafts for the “purpose of making a photograph, sketch, picture, drawing, map, or graphical representation of vital military or naval installations or equipment.”


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