It was a SH60 on an US Warship and blade sail is apparently a well known danger in that fraternity.
They are V graphic and come from an even worse web site, who obviously have no regard for the people involved or their families, the sort of sick F...s who get their kicks out of putting this stuff on the net rank along with those who go looking for small children in chatrooms
I got forwarded these by some 'friend'
ps heard of seaking blades hitting the deck infront of the aircraft once