These clips in my video aren't mine, I found them off youtube. This video contains 5 clips of U.S Army Soliders, marching, and singing cadences. I select 5 videos I saw that are my favorite.
Links to the videos:
https://www.youtube.com/watch?v=2m7_1oIvGv0&list=PLMiNjpTFP7ujvSx1zzAf8rzOGgdMyt1VP
https://www.youtube.com/watch?v=NrocxEWT430&list=PLMiNjpTFP7ujvSx1zzAf8rzOGgdMyt1VP&index=2
https://www.youtube.com/watch?v=wktDhK5wBx4&list=PLMiNjpTFP7ujvSx1zzAf8rzOGgdMyt1VP&index=3
https://www.youtube.com/watch?v=y-hqiIbPx64&list=PLMiNjpTFP7ujvSx1zzAf8rzOGgdMyt1VP&index=4
https://www.youtube.com/watch?v=rjv75hqpx8Y&list=PLMiNjpTFP7ujvSx1zzAf8rzOGgdMyt1VP&index=5
No copyright infringement intended. ALL RIGHTS BELONG TO THEIR RESPECTIVE OWNERS