I have no idea how to post tweets, but his reply when HHNManics asked if 1984 had to do with the book of “Do it to Julia! Not me!” is central to the arc of the main character Winston Smith. It has been years since I read 1984 but I remember the line so I looked up the context...
"When Winston is caught by the government, he is told that there are three stages to his "reintegration": learning, understanding, and acceptance. Winston doesn't betray Julia until the last stage and when he yells for the torturers to, "Do it to Julia! Not me!", he has capitulated and accepted Big Brother. The acceptance of Big Brother is essential to the government because it means that Winston no longer has free will; he is nothing more..."
If I were a betting man I would look into Julia as a connection.
The only frame of reference I have is to assume The Thing is the answer and work backwards, I am no longer 100% certain The Thing is the maze the code name refers to. I also now think that 1984 is only a clue to the code name and not the actual code name. Though I know Murdy wouldn't come out and say it if it was.
EDIT: Also he kept saying a lot of things happened in 1984. I think he means the book and not the year. The book will reveal the code name but isn't the code name.