Alex unable to hear his dad's voice was in state of shock. It was then a single thought pass through his mind, what the hell was he doing? He already agreed to believe in his dad and his subordinates, but his mind was affected by his emotions. The feeling that he had when he talking to his dad, made if seem like it was the final goodbye. This feeling he had was so strong, it actually irritated him. Giving him that final mission made it feel even more ominous.
Still he shouldn't be acting this way in this situation. He should concentrate at what was happening right now, not in what could happen. Alex inhaled and exhaled, as he slowly calmed himself down. This was a breathing technique Kyle taught him to calm his nerves. He has never needed to use it except for now. It was good thing he tried to learn every technique he could.