This isn't new.
As the radioman on our on-shore spotting team in Viet Nam, I went thru a similar training session back in '66.
My uncle went thru similar training in WW2 as a corpsman attached to the Marines. It didn't keep him from getting killed on Palau though.
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"I didn't care what she didn't 'low--I would boogie-woogie anyhow" John Lee Hooker