Catherine

Template:Article Quote Catherine is the third episode of Spartan Ops. It was released on November 19, 2012. In this episode, Dr. Catherine Halsey is brought aboard the Template:UNSCship to study the mysterious artifact retrieved from Requiem by Fireteam Crimson.

Chapters

#	Name	Location	Description
1	The VIP	Quarry	"Parg Vol, a known Sangheili terrorist and associate of Jul 'Mdama, is confirmed to be on Requiem."
2	Galileo	Galileo	"UNSC Science base Galileo requires assistance repelling enemy advances."
3	Spartan Mountain	Two Giants	"Marine squad Mountain has crashed behind enemy lines and requests immediate evac."
4	Shootout In Valhalla	Two Giants	"Fireteam Crimson's attempted rescue of Mountain Squad has gone sideways. Situation developing."
5	Hunting Trip	The Gate	"Covenant terrorist Parg Vol has been located again. There is no better opportunity to eliminate him."

Opening cinematic

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A prowler uncloaks and approaches a hangar on the Infinity, where Captain Thomas Lasky, Commander Palmer, and Spartan-IVs Madsen and DeMarco are waiting.

• Roland: "Captain Lasky, the captain of Aladdin requests permission to bring the prisoner aboard."

• Palmer (turning to Captain Lasky): "Last chance to change your mind."

• Lasky: "It's too late for that, Sarah. We need to know what's going on."

• Palmer (irritated): "She was locked up for a reason."

• Lasky: "Permission granted, Roland."

The prowler lands and four Marines escort Dr. Halsey before transferring her into the Spartans' custody.

• Lasky: "Dr. Halsey, thank you for coming."

Dr. Halsey shows her restraints.

• Halsey: "I'm not walking around the ship I built with my hands cuffed."

Lasky nods and Madsen removes the restraints on Dr. Halsey.

• Halsey: "Show me the artifact."

HALO: INFINITY

The group walks toward the artifact in a dimly lit room.

• Halsey: "Rather dark for a proper investigation."

• Lasky: "Random fluctuations all over the ship, doctor. Power still completely out at ground zero. I'll get additional lighting set up ASAP."

• Halsey: "That would be good. Have there been any other reactions since..."

• Lasky: "Since what happened to Dr. Glassman? No."

• Halsey: "I see."

Dr. Halsey approaches the artifact and tries to touch it.

• Lasky: "Careful."

• Halsey (turning around): "I'm not Henry Glassman, captain"

• Lasky (turning to face Commander Palmer): "Trust me doctor, I know who you are."

• Halsey: "Yes, and I see you've decided I rate three of the new model."

• DeMarco: "Captain Lasky asked for the best."

• Halsey: " And yet..."

Dr. Halsey touches the artifact and it lights up.

• Lasky: "What is it, doctor?"

• Halsey: "Engine room."

The group leaves the room. Cuts to a shot of the high-speed tram car the group is on, then to a shot of Dr. Halsey, then of the others.

• DeMarco (talking to Madsen): "Why do they have us guarding some old lady?"

• Madsen: "She's bad news man. Mad scientist stuff. She created the original Spartans; Master Chief?"

• DeMarco: "No way."

• Madsen: "Yeah. Story goes, she kidnapped a bunch of kids."

• DeMarco: "What? What would an old lady like her do with kids?"

Madsen tries to answer the question before noticing Dr. Halsey looking at them.

• Halsey: "First, we taught them how to be silent."

She then turns to face Palmer.

• Halsey: "Then we taught them how to be Spartans."

A shot of the engine room.

• Lasky: "Roland?"

• Roland: "Engine room's on lockdown, captain. All systems operating nominally."

The group walks in and Dr. Halsey starts tinkering with the systems.

• Roland: "You know captain, I can fly Infinity without human aid."

• Lasky: "Don't worry Roland. We'll take her off your hands again very shortly."

• Palmer: "And now we're letting the war criminal touch things."

• Lasky: "I can type for her, if that'd make you feel better."

• Palmer: "It would help."

• Lasky: "She installed these engines. No one in the UNSC understands them as well as she does."

Dr. Halsey continues to tinker with the systems and a pulse runs through the room. The Spartans raise their weapons on Dr. Halsey.

• Palmer: "Hey!"

Dr. Halsey turns around to face Commander Palmer. Palmer walks forward then orders the Spartans to lower their weapons.

• Halsey: "The artifact, Forerunner, is talking to your engines, also Forerunner. But it is also communicating with these other systems as well.

• Lasky: "Health systems, some electrical, lower deck life support."

• Palmer: "Only the engines are Forerunner tech. The rest is human."

The computer screen indicates where the signal is transmitting to and places a marker.

• Halsey: "Indeed, but the artifact is reaching out to them. And it and your engines are transmitting..."

• Lasky: "To Requiem."

• Halsey: "You came here to study the planet. Instead, something on the planet is studying you."

A closeup shot of the marker, which fades to a structure inside a Forerunner building. Multiple Sangheili are walking around, carrying weapons and equipment while Gek is giving orders.

Note: All dialogue spoken by the Elites are in Sangheili and translated into English.

• Gek: "Faster! Move as if the Didact himself were watching!"

Gek turns around to see Jul 'Mdama and immediately kneels before him.

• Gek: "Jul 'Mdama! I did not expect the Didact's Hand so soon."

• Jul 'Mdama: "Infinity's arrival has advanced my schedule. Rise, Gek."

• Gek: "We are still preparing, Shipmaster- we still have yet to be able to activate the shrine."

A shot of Jul 'Mdama and Gek in front of the structure.

• Jul 'Mdama: "You are prepared now brother."

They turn around.

• Jul 'Mdama: "Bring the artifact's gift."

Two Sangheili bring a human prisoner, who is revealed to be Dr. Glassman, before Jul 'Mdama and Gek.

• Jul 'Mdama: "He offers his knowledge in exchange for his life."

• Jul 'Mdama: "I am willing to accept his offer...for a time."

Cuts to a shot of Dr. Glassman looking around, worried. Cuts to black.