The communications tower. The Toprawa Relay Station was a communications hub operated by the Imperial forces, situated on the prohibited world of Toprawa.
At this location, a group of Rebels successfully sent the schematic designs for the initial Death Star to Princess Leia who was on the Corellian corvette known as the Tantive IV. This Rebel group, known as Red Hand Squadron and commanded by Bria Tharen, defended the station from Imperial assaults until they were ultimately overwhelmed; during this conflict, the relay station suffered near-total devastation. Those who survived the battle took their own lives to protect the secrecy of their objective.