Originally Posted by
krismiler
The B52 bomber has been in service with the USAF since 1955, with the recent upgrades it received it's expected to remain in service into the 2050s. Perhaps the mentality at Boeing is to get 100 years out of a basic airframe. Even the Russians who are renown for modernising and upgrading old designs don't expect that long.
They don't have shareholders who have to be rewarded.