Great read for all in the field.https://www.fireengineering.com/technical-rescue/open-water-lifesaving-rescue-and-resuscitation-drowning/?fbclid=IwAR1DYThEbSKX2Oh4tkPNi7_gYWpj11G_w7TqkE_2sB87DJqkiKxJvEwmcaU