I'm a bit disappointed that the premise now sounds like it won't need the flashbacks...maybe we'll get some...
If it's anything like the show 'Colditz' I might be interested. However World War 2 has been done to death. Showing the same war over and over again that lots of people died in just for entertainment value is downright irritating. If anything they should make a respectful war-time drama set during the first world war.