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Battle of Installation 05


The Battle of Installation 05, also known as the Battle of Delta Halo, was a major engagement between the United Nations Space Command, Covenant, Sentinels, and the Flood on the Forerunner ringworld Installation 05, otherwise known as "Delta Halo". During the First Battle of Earth, the Prophet of Regret lead a small fleet on an expeditionary raid that stumbled upon Earth. After substantial losses, Regret fled to Installation 05...