Much more could be done in the way of mental training.
Soldiers say that they want to be fit. Fitness requires daily training. Some even speak of extreme fitness.
We have started telling them that they could also be mentally fit; and mentally fit does not mean fearlessness and insensitivity. This is something new. This means being connected and open, because we know that completely repressing one's emotions is far more hazardous.
At first thought, it seems as if repressing your emotions and charging ahead will protect you. Now we know that this is not the case. Therefore, much more work could be done in creating programs for developing mental fitness, certainly.