Kevin wrote:

> > & the last blurb I've seen about them was that there are fewer than 100
> > B52H models left flying (built in '60-61), but they expect some of those
> > to remain on duty until 2040.  freekin amazing.
> >
>
>  Yes, not many (any) planes have a useful service time of
>  =~ 100 years.

80 years for a technology. Wow

I saw a working DC-3 flying recently probably more than 60 years old
and first ones developed and built in the 1930's even more amazing
considering the how relatively close to dawn of flight that was.

How many other high technologies are still in active service at that age?

w..


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