BLOG: Practice lessons from naval submarines, part 2

Consider the following practices, Practice A and Practice B, I am about to describe. Practice A’s routine procedures are in writing, and these reference materials are easily accessed when a question surfaces. Practice B’s procedures are all in people’s heads, and the operational integrity of the practice degrades every time a staff member leaves. Initial training at Practice A is formalized and intensive; new staff are competent in their jobs before being allowed to operate critical systems.

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