Tucson, Arizona. Sandy Costelow, Vice Commander of Flotilla 10-1, 11SR learns how to use an airway mask during American Heart Association CPR and AED training in Tempe , Arizona .  Nine members of Flotillas 10-8 and 10-1 participated in the training to be better prepared while patrolling Arizona 's lake sand rivers. Photo by Tom Nunes USCGAUX.