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Shadow of Intent

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This article is about the CAS-class Assault Carrier featured in Halo 3. If you were looking for the book of the same name, see Halo: Shadow of Intent.

Shadow of Intent
Shadow of Intent
Production information


CAS-class Assault Carrier


Covenant Empire

Technical specifications


5,346 metres (17,540 ft)[1]


2,118 metres (6,950 ft)[2]


746 metres (2,450 ft)[2]

Maximum speed (Space)

912 ly/day

Engine unit(s)

Repulsor engines

Slipspace Drive









Thousands of soldiers[2]



  • Carrier
  • Troop transport

Earliest sighting


Latest sighting


Present for battles/events


Covenant Empire


Fleet of Retribution

Known commander(s)

Rtas 'Vadum

“Hail humans, and take heed. This is the carrier Shadow of Intent. Clear this sector, while we deal with the Flood.”

Shadow of Intent is a Covenant Separatist CAS-class Assault Carrier.[4] Commanded by the Shipmaster Rtas 'Vadum, it served as the flagship of the Fleet of Retribution.

Operational History

First Battle of High Charity

Main article: First Battle of High Charity

At the start of the Great schism during the Battle of High Charity the Shadow of Intent was captured by Jiralhanae forces and turned against the Sangheili fleets outside High Charity. In retaliation a strike force led by Rtas 'Vadum went aboard the ship to re-take control.[2] After the Flood had infested High Charity, Shadow of Intent and its accompanying Sangheili Fleet engaged in quarantine tactics over High Charity, trying their best to prevent the Flood from escaping the borders of the infested city while also dealing with the Covenant threat.

Flood outbreak

Main article: Battle of Voi

However, a Flood-infested cruiser broke through their lines and jumped to Earth. A Sangheili battlegroup led by Rtas 'Vadum broke off their blockade and followed it, intent on preventing it from infecting the planet. It took part in the later stages of the Battle of Earth, where it supported local United Nations Space Command units by landing troops, vehicles and supplies into the area. Later, it glassed the city of Voi and outskirts of Kenya in Africa, to prevent the Flood from spreading across Earth.

Assault on Installation 00

ShadowOfIntent H3 LevCovenant1

Shadow of Intent being hit by a Segment from the fragmenting High Charity.

Main article: Battle of Installation 00

The ship later led a joint UNSC-Covenant Separatist force through the slipspace portal to Installation 00, also known as "The Ark", where it engaged and defeated the Prophet of Truth's Fleet despite facing forces three times their own strength numerically, which Rtas 'Vadum declared an "even fight".

During the assault on Truth's position, Shadow of Intent sent down soldiers, vehicles and supplies to aid the Human and Sangheili forces. There, it then took part in a diversionary bombardment of the shield protecting the Citadel.

Later during the battle, the carrier moved into position above the Citadel to glass the building and to kill the Prophet of Truth. Though before that could take place, the ship was punctured by a large Flood dispersal pod from the Flood-infested High Charity, which had just arrived via Slipspace. The ship was afflicted with "significant damage" and lost use of its major weapons systems, although it was able to stay in commission and return to Earth with all the surviving Humans and Sangheili.[5]

Return to Sanghelios

After the memorial service to those killed in the Human-Covenant war, the Arbiter was given command of the vessel by Rtas 'Vadum and set a course to return to Sanghelios.[6]

Diplomatic mission

Shadow of Intent returned to Earth to carry out a diplomatic mission from February 29 - March 3, 2553. No other details are known.[3]

Urs system conflicts

During May and April 2554, Shadow of Intent was present during multiple conflicts in the Urs system and on April 22, 2554 was rendered combat ineffective during fleet action against Jul 'Mdama's Covenant forces.[3]

The vessel participated in multiple more battles between 2554 and 2558 against both Covenant and Jiralhanae forces.[3]


From May 6, 2557 to June 1, 2557, Shadow of Intent participated in various naval exercises with the UNSC. The vessel later received significant improvement to its dynamic capabilities and alterations to its Nanolaminate hull plating.[3]



Exterior Shots

Interior Shots


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