Mission to Installation 03

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The Skirmish on Installation 03 was an engagement on the surface of Forerunner Halo Installation 03 in the Khaphrae system on July 25, 2557, between the United Nations Space Command and the Didact's Prometheans.

Prelude

Upon discovering Installation 03, following the Battle of Tribute, the Office of Naval Intelligence conducted numerous searches on the Halo. One of the objects they discovered on the installation was the Composer, a piece of Forerunner technology that could transfer organic being's mental content into machine data. The Composer was brought to Ivanoff Station, a research facility located on one of the asteroids orbiting Installation 03, for further study. On July 24, 2557, the Didact arrived at Ivanoff Station to recover the Composer.

He used it to compose the citizens of New Phoenix on Earth, but was ultimately stopped by John-117. During the battle, John-117 caused the Didact to fall into a slipspace rupture. However, the Didact survived and crash landed on Installation 03. During this time, a science team, along with Spartan Team Black, were still on Installation 03's surface, unaware of what had happened at Ivanoff.

The skirmish

On the installation, the science team and Team Black established a camp on one of the ring's deserts, nearby the Composer's original location on the installation. However, the Didact, along with several Promethean Knights and Crawlers, arrived via a slipspace portal and crash landed near Black's location. When Black went to investigate, the Didact awoke and swiftly killed all four Spartans. At the same time, the science team was attacked and killed by Promethean Knights and Crawlers. Shortly afterwards, the Didact encountered 859 Static Carillon, monitor of the Composer's Forge, who had come to investigate the opening of a service portal to the Ring. The Didact demanded that Static take him to the Composer's Forge. Static agreed, on the condition that the Didact would not use the Forge to produce more Prometheans.

Due to the loss of contact with the team, Lord Terrence Hood sent Blue Team, consisting of Fred-104, John-117, Kelly-087, and Linda-058, to investigate Team Black's disappearance. Blue Team took a slipspace-capable GA-TL1 Longsword to Installation 03 and landed near the research camp.

While walking to Team Black's last known position, Linda discovered Crawler footprints in the sand leading to the camp. As Blue Team entered the camp, they discovered the corpses of several researchers. Shortly after, Fred found the bodies of Team Black, dead. While looking for Team Black's assailant, the Spartans were attacked by Promethean Knights. After a short firefight, Blue Team destroyed the Knights and discovered the former location of the Composer. Upon entering the structure, the Spartans discovered the Composer's Abyss, a facility used to store victims digitized by the Composer. At the end of the Abyss, the Spartans discovered a slipspace portal.

Gallery

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  Black Team finding the Ur-Didact.

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  The Ur-Didact, covered with the blood of Team Black, with 859 Static Carillon.

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  Blue Team arriving at the Halo in a GA-TL1 Longsword.

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  Kelly-087 and John-117 find the dead scientists on Installation 03.

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  Black Team found dead.

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  Blue Team engage Promethean Knights on Installation 03.

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  Blue Team discovers the Composer's Abyss.

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  The Ur-Didact crushing John-117's head.

List of appearances

• Halo: Escalation (First appearance)