From Real Science. ( YouTube / Nebula )

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Credits:
Writer/Narrator/Editor: Stephanie Sammann
Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1)
Illustrator/Animator: Kirtan Patel (https://kpatart.com/illustrations)
Sound: Graham Haerther (https://haerther.net)
Thumbnail: Simon Buckmaster (https://twitter.com/forgottentowel)
Producer: Brian McManus (https://www.youtube.com/c/realengineering)

References:

[1] https://www.nationalgeographic.com/magazine/2020/06/marine-biologist-audun-rikardsen-swims-with-russian-spy-beluga-whale/
[2] https://en.wikipedia.org/wiki/United_States_Navy_Marine_Mammal_Program
[3] https://www.youtube.com/watch?v=EFu_ef9XypY
[4] https://rannsoknasetur.hi.is/sites/rannsoknasetur.hi.is/files/myndirhusavik/source_levels_of_clicks_from_free-ranging_white-beaked_dolphins.pdf
[5] https://dosits.org/science/sounds-in-the-sea/what-are-common-underwater-sounds/
[6] https://dosits.org/science/movement/sofar-channel/sound-travel-in-the-sofar-channel/
[7] https://www.nytimes.com/1991/02/19/world/war-gulf-overview-2-us-ships-badly-damaged-iraqi-mines-persian-gulf.html
[8] https://doi.org/10.1117/12.280845
[9] https://www.sciencedirect.com/science/article/abs/pii/0893608095000526
[10] https://asa.scitation.org/doi/abs/10.1121/1.385015
[11]https://www.cbsnews.com/news/mine-hunting-dolphin-awol-in-iraq/