As a veteran, I think I can safely speak for a majority of my compatriots when I suggest that most soldiers/airmen/sailors aren't afraid of making mistakes that

As a veteran, I think I can safely speak for a majority of my compatriots when I suggest that most soldiers/airmen/sailors aren't afraid of making mistakes that get them killed, they are afraid of making mistakes that get others killed. It's similar to your current fears, but still on a larger scale.