[Spending some time in the army at least teaches you to know when someone has a long story to tell and no inclination to share it at this time -- and so Bucky doesn't bother pushing, or asking more about that. He doesn't know what the code means, that's enough for both of them for now.]
Well, here's to hopin' your message reaches that friend.
[In the video, he nods his head in greeting and gives a quick salute.]