The First Battle of Azura was an attack on the safe haven of Azura by the Locust Horde. Azura was an island located deep in the Serano Ocean, where the COG relocated their elite citizens and researchers. Azura had a state-of-the-art, complex, and combat-ready defense system, which included underwater torpedo launchers near the island, a complex network of bunkers and fortifications, a large contingent of COG military forces from the three branches, as well as the Adaptive Atmospheric Manipulation System, but the Locust were able to reach Azura, bypass their defenses, and launch an assault upon the COG's doomsday bunker. The islands' military protection included the Onyx Guard, the elite of the COG Army, who protected the island, and the Maelstrom Barrier, which created an artificial hurric