So instead of centralizing everything in a place where we can make sure we have suitable equipment, enough training staff, with things done to the same standard, we should distribute it to multiple locations, that requires more people, redundant facilities/equipment, etc?
If you want to do element specific basic trainings, great, but that also requires a lot of LOE to do things like proper lesson plans. I've seen how screwed up thing get for the same course when you don't have standards, and will really depend on the instructor. Teaching a large number of people the same info to the same standard over a long period time is a challenge if you change the instructors frequently, which we do.
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