Interestingly enough, the Mil standard calls for a 2 second delay, rather than the 1 second civil standard, which implies there are considered to be good reasons why you may have your hand away from the lever
Not the first time we have seen that comment.
I wonder if it takes into consideration the fastest avoidance profile for suddenly seen projectiles heading toward yon helicopter.
Oh yeah, she's right mate, eh - maaiit! waaait two - then duck.
I'd reckon one of the dudes in the back would have said pilot by the juglar before he counted to two.
just my 2 cents.