Is pre-nuclear steel behind WWII ship targeting?

[Marlin]

Having worked waste management for DOE demolition I have encountered tomb style body counters at a couple of sites. They are essentially a room specifically designed for the lower energy gamma from uranium. Pre-WWII ship steel was a component in each.

Is pre-nuclear steel behind WWII ship targeting?

https://ukdefencejournal.org.uk/is-pre-nuclear-steel-behind-wwii-ship-targeting/