UNSC Circumference

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UNSC Circumference Production information Class Prowler Technical specifications Length 162 Meters Slipspace Drive Shaw-Fujikawa Translight Engine Slipspace velocity 2.1 light years per day Shielding None Hull Resistant to several Pulse Laser Bursts Countermeasures Ablative baffles Counterelectronic systems Matte black ablative stealth coating Texture bufferers Armament Minimal Pulse Lasers (2+) HORNET mines (14) Crew 90 crewmen[1] Minimum crew 43 crewmen[2] Usage Role(s) Infiltration Earliest sighting 2531 Destroyed 2552 Present for battles/events Battle of Reach Affiliation UNSC ONI

[Source]

The UNSC Circumference was a UNSC Office of Naval Intelligence Prowler.

[edit] Background

In 2531, Circumference transported SPARTAN-IIs to investigate Station Delphi in the Groombridge 34 System. During the mission SPARTAN-051 was abducted to train the SPARTAN-IIIs. By 2552, the Prowler was part of Operation: HYPODERMIC.^[3]

Prior to, and during, the Battle of Reach, Circumference was docked at Reach Station Gamma, Bay 9. In an effort to maintain the secrecy of HYPODERMIC, the Prowler was removed from Reach's database after an intrusion into the ONI database by the AI Cortana.^[4] This isolation meant that the Station Gamma Dockmaster AI Doppler was unable to implement the Cole Protocol on the Circumference.^[5]

This oversight was detected by Covenant intrusion software, and the Covenant dispatched three frigates full of Elites, Jackals, and Rangers to recover the Prowlers NAV database. Three SPARTAN-IIs (John-117, Linda-058, and James) were diverted from defending Reach's Orbital Defense Generators to prevent this. The Spartans were successful, using the weapons of a commandeered Pelican to destroy the Circumference and the NAV database. It was during the mission to destroy the NAV database that SPARTAN-117 met Staff Sergeant Avery J. Johnson . The mission also cost very severe injuries to SPARTAN-058, and probably killing James when his jetpack was ruptured by a needle. ^[6]

[edit] Trivia

• In Halo: The Fall of Reach it is said that in the Circumference, in the part where the name would be, there was a simple circle instead (a circumference).

[edit] Sources

1. ↑ Halo: Ghosts of Onyx, page 186
2. ↑ Halo: Ghosts of Onyx, page 186
3. ↑ Halo: Ghosts of Onyx page 50
4. ↑ Halo: Fall of Reach pp. 269, 281-282
5. ↑ Halo: Fall of Reach pg 302
6. ↑ Halo: Fall of Reach

Known Prowlers
UNSC Apocalypso · UNSC Applebee · UNSC Circumference · UNSC Dusk · UNSC Lark · UNSC Razor's Edge