UNSC Rio Grande
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In 2526, the Rio Grande was one of several vessels of Battle Group X-Ray assigned to Task Force Pantea, a task force of destroyers operating as a "wolf-pack" unit in the Outer Colonies. These task forces were deployed in the Outer Colonies to independently harass and destroy the supply lines of the invading Covenant fleets. At 21:00 hours on June 3, 2526, the Rio Grande was an element in the task force over Netherop when the destroyers encountered a lone Covenant frigate - the Steadfast Strike. The destroyers engaged the frigate, quickly eliminating the Strike's primary weapon systems and disabling the ship.
Task Force Pantea was later ordered by Admiral Preston Cole to stay on-station to support Blue Team during their operation to recover the wreckage of Steadfast Strike, later engaging the Covenant Fleet of Swift Justice. It is unknown if the Rio Grande survived the battle.
Crew and complement
List of appearances