Man, I haven’t heard that Snoopy thing since I was a child! I don’t think I’d ever heard the intro; just the song.
I’m glad you enjoyed it, my friend! It is our son Jason’s favorite Christmas song! 
Q
You flying history guys: Is the narration true? Did we sneaky Germans break the truce?
Sorry I don’t already know this, guys.
Thanks
Q
It should be animated by Studio Ghibli.
Seriously. Miyazaki loves flying scenes to the point of him putting one in pretty much every movie he directs. He even made a low-fantasy movie set around the WWI era called Porco Russo.