Disposal is expensive.
Here's What You Need To Remember: The British military gets an exemption when it comes to nuclear waste. “Within the civil nuclear sector, organizations must consider nuclear waste disposal during the design stage of power stations and nuclear infrastructure. The Department does not have a similar obligation.”
When you need to dispose of an old car, you can take it to a junkyard.
But what do you do with a nuclear submarine whose reactor can...
Read this story at The National Interest