Last Updated：2025/12/31
Sentence
But
if
that
costs
three
quarters
of
a
billion
dollars
or
billion
and
a
half
dollars
and
you
look
around
for
the
next
one
you
are
not
going
to
do
them
all
at
once.
I
wouldn't
say
tracked
air
cushion
vehicles
will
be
in
widespread
use
before
the
year
2000.
It
would
be
a
rolling
introduction,
if
you
understand
what
I
mean.
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But if that costs three quarters of a billion dollars or billion and a half dollars and you look around for the next one you are not going to do them all at once. I wouldn't say tracked air cushion vehicles will be in widespread use before the year 2000. It would be a rolling introduction, if you understand what I mean.
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