Clam Shell Protecting Radar
Steel clam shell protecting the aquisition radar at Nike Hercules site, Site Summit, Anchorage, Alaska, 1968. Photo from U.S. Army Corps of Engineers Historic American Engineering Record Survey HAER AK-18-A, 1968.
Historic American Engineering Record,
HAER AK, 2-ANCH, 24A-AK-18A-3
Library of Congress