BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
AN ALL-NEW ONGOING SERIES SPINNING OUT OF STAR WARS: THE FORCE AWAKENS! Poe Dameron, former Republic flyer turned Resistance fighter, is the best pilot in the galaxy. Hand-picked for the resistance by General Leia Organa to lead a squadron on a top secret and vital mission...Poe sets off investigating sites of historical importance to the Force. Revealing backstory leading directly into the holidays' greatest adventure, follow Poe and his X-Wing squadron on covert missions against the First Order.