Watch these three very excellent videos about the training one has to go through to become a Special Warfare Combatant-craft Crewman (SWCC) in the Naval Special Warfare (NSW) community.
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SWCC: Making an Operator, All Hands Magazine, July 4, 2023, YouTube
Episode 1, 16 minutes
https://www.youtube.com/watch?v=LvVyDhGuSTw
Episode 2, 24 minutes
https://www.youtube.com/watch?v=d399gVkbU5c
Episode 3, 16 minutes
https://www.youtube.com/watch?v=q470w6HMoGQ
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Image by Austin Rooney, Defense Media Activity, July 5, 2023.