 So today we took the marines, gave them a quick class and then we put them through a cold water immersion where we cut out a chunk of the ice and they go into the cold water and we teach them about how to recover from being submerged in the cold water, how to just regain their composure after that cold shock wears off. So the first thing that happens your body goes into cold shock for about zero to 30 seconds, your central nervous system just gets overloaded with information and your respiration goes up, your heart rate goes up and then after about 30 seconds most people tend to start to calm down, the respirations come down, their heart rate starts to return back to normal and they basically kind of regain their composure. Oh they did great today and just throughout the entire course this this class did really really well, weather conditions favored them and they just did really great overall.