This article is about the in-universe military operation. You may be looking for the role-playing adventure book.
"There's something big going on up at the space station; they're calling it 'Operation: Elrood'."
Pter Venteck[src]

Operation: Elrood was an Imperial military action designed at taking control of the entire Elrood sector, in addition to the interdicted space that lay between planets Derilyn and Berea.