Opano Radar Site
On December 7, 1941, an SCR-270B Radar located
at this site tracked incoming Japanese aircraft
for over 30 minutes until they were obscured
by the island ground clutter. This was the first
wartime use of radar by the United S…
Mobile Radar Unit SR-270B
has been designed a
National Historic Landmark
this site possesses national significance
in commemorating the history of the
United States of America
1994
National Park Service
United States Department of the Inte…