Groton is on the shore of New England.
The first diesel-powered submarine was commissioned in Groton on February 14, 1912.
On January 21, 1954 the first nuclear-powered submarine, the USS Nautilus, was launched from Groton.
... orders of magnitude this page lists lengths between 1 micrometre and 10 micrometre (10-6 and 10-5 m). See also lengths of other orders of magnitude.
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