CBC: Proposal to batch order of up to 12 subs raises questions about economic benefits.
…The confidential sources say, since the delivery of the boats won’t start until the mid-2030s — and will likely carry on for more than a dozen years afterward — the sense among federal officials is that they want to preserve the flexibility of future governments to make decisions.
The sources also say there’s a debate about whether crewed submarines will eventually be replaced by more effective or cheaper drone technology…