I loved the way they used the radio broadcasts throughout this story, and as a way to experiment with a unique theme tune which suited the episode perfectly! The dialogue switching between conversations but leading into one another too, worked SO well for me. I'm pretty shocked that I didn't get Ace's brother spoiled, however I've sadly looked up and seen this is his only appearance, I find this unbelievable as it was a great development and I'd have loved to have even seen him join this duo for a while. Some great stuff for Ace, following on from Colditz. I love how the stories are leading into one another and there's development here. Its what I'm missing in the current BF era, with the likes of 8 no longer having an ongoing arc. I want development, rather than aimless storylines.