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line code
line out
noun
line of credit
noun
DEW line
name
(military)
The
Distant
Early
Warning
Line,
a
series
of
radar
stations,
located
north
of
the
Arctic
Circle
and
extending
from
Alaska
to
Baffin
Island,
operated
by
American
and
Canadian
authorities
from
the
late
1950s
to
the
early
1990s
to
help
protect
North
America
by
detecting
incoming
hostile
missiles
and
aircraft.
branch line
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