This is an old fashioned foam eductor and a bucket of foam. When is the last time you had one of these in your hands? How about the last time you actually flowed one? Well, unless you just completed a foam class or a Firefighter 1 & 2 class, it has probably been a while.
Know your assignments and do them. The best attack is a coordinated one when everyone is doing what needs to be done to accomplish the overall goal; safely get in and out after putting the fire out and removing all victims.