THE YEAR WAS
Written by Harry Campbell(writer and artist)
#52 - Several convoy ships are sunk near a fog-shrouded area. The Navy asks G-2 to get involved and it calls Bruce Blackburn. Blackburn is certain when he sees Sonya at a dockside dive that she is involved. I believe this is the first mention of Sonya working for the Nazis.
Here are the pages I have of it.