"Paul J. Adam" wrote:

Meanwhile the Shackleton flew on until the 1980s, and the almost equally
ancient Canberra flies on still. When a design finds the right niche, it
can be very long-lived.

Thank gawd the Brits managed to find a niche for the Shackleton other
than as a post-war strategic bomber!

-Mike (Shackleton = easy pickins) Marron