14 December 1941
(Milwaukee Sentinel, Wisconsin
The whole article:
“ ‘An unidentified dirigible’ was sighted off the
Atlantic Coast last night by a naval vessel, causing blackouts to be put into
effect at the naval operating base and Norfolk navy yard, it was announced
today at the Fifth naval district public relations office.
No further information regarding the dirigible was
released by the navy, although it was reported that at the yard whistles were
blown to warn workmen of the impending blackout. A siren was placed in
operation at the yard today.”
https://news.google.com/newspapers?nid=1368&dat=19411214&id=eTBQAAAAIBAJ&sjid=Gw0EAAAAIBAJ&pg=5543,3272560
https://news.google.com/newspapers?nid=1368&dat=19411214&id=eTBQAAAAIBAJ&sjid=Gw0EAAAAIBAJ&pg=5543,3272560
(tageo.com photo)