The US military says its 70-year-old B-52 bombers are now flying overland.

[SoCal Mac]

The US military says its 70-year-old B-52 bombers are now flying overland missions as air superiority expands over Iran.

https://www.yahoo.com/news/articles/us-military-says-70-old-162120228.html

A 70 year old Boeing made plane lasting longer compared to a newly made Boeing plane.
The work ethic was much better back then compared to now I think.