If it was like the SAS series, I would still follow it. The first part was very interesting. It was very cool and exciting. But when the scenario went to Russia, it got very ridiculous and spoiled. For example, Jack, who is not a top officer, is maneuvering in the enemy's country, and the Russian intelligence agencies do not know about him, his activities, or his whereabouts. It goes out of the border easily. It's easy to get a weapon. Oh, director, you made your hero super! From now on, following this collection is just a waste of time.