The long bull fart was usually the echo of the initial high pitched growl. The bird makes a statement, more of an announcement really. It speaks a unique language that needs no translation in any part of this planet. And, there is no place to hide from it unless you can dig a hole deep enough fast enough.
It’s my favorite since I was a kid and got to watch them practice on a live fire range from the scoring tower at Camp Atterbury.
I remember calling them in as an Air-Cav scout during JAAT wotkups. Nothing like it.
In Afcrapistan they enemy call the hog “whispering death”.