I have heard of square dancing tractors, but I didn’t realize there were also square dancing helicopters! I’m going to have to make a whole new category for this!

Trailer for Do-Si-Do in the Sky

Here is the movie’s website.
http://www.dosidomovie.com/

You can rent or buy the video through Vimeo.

More information about the project to get this movie made on Indigogo:
https://www.indiegogo.com/projects/do-si-do-in-the-sky-the-u-s-army-helicopter-square-dance-team#/story

There is also a book about this phenomenon:
Dancing Rotors by Jr Gilliand