Support WBUROpinionForeign Policy: Killer SEALs In The MakingStephanie Freid-PerenchioMay 04, 2011 ShareA drill known as "wet and sandy" is a near-daily occurrence/punishment during training. Prospective SEALs are made to repeat multiple cycles of swimming several miles, running several miles, and rolling through sand. (Stephanie Freid-Perenchio)