'Captured with a GoPro Hero 5' 

Tags: training , Escape , Water , kit , fail , dark , soldier , crash , pilot , helicopter , waves , military , underwater , Navy , Royal , marine , Sink , Dunker , swim test , culdrose , yeovilton , rnas

SEE ALSO: Stephan , John , zumba class , exercise how to , vpjft , E News , tone , กมปี 2021 , royal marines training , 90