Goods - Very creative. A relief from those WWII D-Days, this was actually an original storyline. The map design also somewhat shows some effort.
Bads - It's too easy. It's impossible to lose unless you delete your character on purpose, or let him take damage while prohibiting him to fight back. The hints were also unhelpful and the empty tank just added to the ease of the playability.
Plot - May 14, 2010. The Germans built a time machine for unknown purposes, and an French spy sent to investigate has been killed. A man named Mike Powell (wonder where that came from) has to infiltrate the German base to find out what the Germans are up to.
Conclusion - I don't recommend this scenario, because it's too easy. I strongly suggest that the scenario be made harder by making Powell and the empty tank weaker and/or putting more German resistance.