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214 centimeters (7 ft 0 in) 
|Political and military information|
As a child, Jai was an orphan living on Bhuj until he was conscripted into the SPARTAN-II program in 2517. When he was told that he had been conscripted, he attempted to leave the compound, but one of the trainers was able to take hold of him. Over the next five months, he repeatedly attempted escape with another SPARTAN-II, Adriana-111. Every attempt ended in capture, but this only strengthened Jai's resolve to keep trying new escape strategies. The trainers, after suffering broken ankles, lost eyes, fingers and toes, eventually chose to shoot them with darts from the troop bays of Pelicans, after they tried unsuccessfully to capture them using stun devices on the ground.
Formation of Gray Team
Jai was eventually sent to meet with Dr. Catherine Halsey. Upon telling her that he wanted to go home, she gave him the option to leave the SPARTAN-II program, on the condition that he undergo selective neural paralysis. She informed him that should he choose to attempt another escape, he would be shot with a neural paralysis dart and awaken in a city with no memories of the last five months. However, he was also told that the drug reacted badly to children, sometimes erasing their entire memories. Continuing her speech, she went deeper into his head, asking him how he would feel if he forgot Adriana, whom he seemed to like a lot, and telling him that the orphanage he used to live in hadn't noticed he had been missing.[note 2] The thought of losing his memory was enough to discourage any more escapes.
The night after the discussion with Dr. Halsey, Jai made one final escape attempt, but after catching up with Adriana, he decided that it would be best to return to the base. The next day, Chief Petty Officer Franklin Mendez introduced Jai and Adriana to Mike-120, who admitted to stealing a Pelican by himself and blowing it up when the UNSC came after him. These three later became Gray Team, a specialized SPARTAN-II squad that preferred to be far from the chain of command, but deeply enjoyed fighting the rebels and the Covenant behind their own lines. After surviving the augmentation process, Jai became the leader of Gray Team.
Battle of the Rubble
- Main article: Battle of the Rubble
During the Human-Covenant War, Jai and the rest of Gray Team operated behind enemy lines, wreaking havoc on both the Covenant and the remaining rebels. They flew through Covenant and Insurrectionist-held space, looking for targets of opportunity, in their ship and base, the freighter Petya.
In 2535, Jai and the other members of Gray Team were sent behind enemy lines in order to destroy the navigation data held by the survivors of Madrigal, a world in the 23 Librae system that had been glassed by the Covenant not long after Harvest. The survivors were living in the Rubble, an asteroid space station built by the insurrectionists orbiting Hesiod. A small fleet of Kig-Yar, led by Reth, had created an alliance with the insurrectionists to trade weapons and slipspace drives. However, these Kig-Yar were ordered by the Prophet of Truth to steal data from the humans that would lead the Covenant to other human colonies and Earth.
Later, Adriana returned to the Petya with Ignatio Delgado, a resident of the Rubble that was attempting to find information about the Kestrel. Jai disapproved of Adriana's apparent favoritism of Delgado, who he believed was an Insurrectionist and did not trust. While aboard the Petya, the Spartans were contacted by the Rubble's artificial intelligence, Juliana. Despite their attempts to originally prevent her from communicating, the Spartans eventually agreed to hear Juliana out. In exchange for defending the Rubble from the Covenant, Juliana agreed to give the Spartans the data they wanted.
Shortly before the Battle of the Rubble, Jai was assigned to rescue Delgado after he had been wounded by Peter Bonifacio. He ended up finding Delgado, barely alive, and Diego Esquival, who had been killed. Delgado told Gray Team that Bonifacio was stealing the navigation data so he could sell it to Reth.
Gray Team then formulated a plan to stop Bonifacio and the Covenant. Jai had the idea of freeing the captured crew of the UNSC Midsummer Night in order to have a substantial fighting force, while Adriana and Mike chased after Bonifacio. He personally released the crew, including Lieutenant Jacob Keyes, and briefed them on the situation. Alongside ODSTs led by Faison, Jai stormed the Kig-Yar ship Infinite Spoils. When Thel 'Vadamee, Zhar, and some Unggoy boarded the Infinite Spoils in an attempt to retake the ship, Jai, who was informed by Delgado that Faison was lying injured in the ship, attempted to find the ODST. He ran into Thel and Zhar, and managed to match Thel in combat. He realized that they had already killed Faison, and returned to Keyes afterward.
After returning to the relative safety of Habitat Tiago, Jai had an idea: Keyes had all of his forces suit up and prepare for vacuum exposure, while only a few Covenant were prepared. With the help of the AI Juliana, they could blow the atmosphere out of the habitat, killing most of the Kig-Yar forces. After some hesitation, Delgado handed Jai-006 the AI chip containing Juliana in order to depressurize the habitat and kill the Kig-Yar who were not in a sealed suit. The resulting loss of atmosphere killed off a majority of the front line Kig-Yar, allowing the ODSTs to kill the snipers and push back to the Petya to begin preparations for the Kig-Yar naval assault.
Battle of Metisette
- Main article: Battle of Metisette
The remaining UNSC forces soon discovered the hundreds of thousands of Unggoy living nearby on Metisette, preparing to mobilize. Jai was in favor of abandoning the Rubble since none of the endangered residents were loyal to the UNSC, although Keyes was able to convince him to fight the Covenant. He led a group of ODSTs on Metisette, including Mutuku, Jones, and Adams. They were tasked with placing a Shiva-class nuclear missile in the Redoubt, which they accomplished quickly. Shortly after the Covenant anti-aircraft guns were silenced, they were evacuated from Metisette, and the nuke went off, damaging the Redoubt.
Eventually, the Spartans were picked up by Delgado in a Pelican and they returned to the remains of the Rubble. All remaining UNSC and insurgent personnel were lead to the Exodus asteroid or aboard the Midsummer Night. The asteroid, powered by slipspace drives, and the frigate escaped into slipspace to escape a large Covenant fleet entering the system.
The Exodus asteroid and the Midsummer Night safely arrived at the 18 Scorpii system. The asteroid's inhabitants are safely evacuated before the asteroid shakes itself to pieces while in orbit around the human colony of Falaknuma. After, Jai and Gray Team meet with Admiral Preston Cole and Commander Hadley who grants them the use of a UNSC Prowler, as the Petya was abandoned in the 23 Librae system. Hadley gave the Spartans new orders to venture even further into enemy lines, much to the satisfaction of the Spartans.
In 2551, Jai and the rest of Gray Team was deemed too inaccessible to be recalled to Reach. They were not present when the Covenant invaded the planet, having been out of contact for about a year. This was not cause for undue concern, as many of Gray Team's missions had been executed in a similar fashion.
At some point before the end of the war, Jai and the rest of Gray Team were captured by Sangheili Fleetmaster Rojka 'Kasaan and put into stasis. When the Unified Earth Government sent an envoy, Melody Azikiwe, to mediate a crisis brewing on the planet Carrow in 2558, the Office of Naval Intelligence gave her a covert assignment to find a way to free the Spartans of Gray Team.
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Personality and traits
Like the rest of Gray Team, Jai enjoys dangerous, difficult and life-risking missions behind enemy lines. His position of leadership is a somewhat tenuous one. Both Adriana and Mike did not truly acknowledge his command of the squad, somewhat to Jai's dismay. As a child during the Spartan training, Jai became friends with Adriana-111 and the two would often escape training compounds on Reach just for the thrill, rather than actually attempting to abandon the project.
Jai had little care of insurgents. He was originally unwilling to protect the lives of the Rubble's residents, as he considered them all rebels and Covenant-sympathizers. He disproved of Adriana's apparent favoritism of Ignatio Delgado, calling him Adriana's "pet Insurrectionist".
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Jai and Thel 'Vadamee in the Halo 2: Anniversary terminals.
List of appearances
- Halo: Ghosts of Onyx (Indirect mention)
- Halo: The Cole Protocol (First appearance)
- Halo 2: Anniversary
- Halo: Envoy
- ^ All Spartan-IIs are given the rank of Petty Officer, Second Class upon graduation
- ^ This may be a result of Jai being replaced with a flash clone, as was standard procedure for the SPARTAN-II project; alternatively, it is possible that given Jai's anonymity at the orphanage, no flash clone was needed to replace him and the orphanage simply didn't notice his disappearance.
- ^ a b Halo: The Cole Protocol, page 76
- ^ Halo: The Cole Protocol, page 332
- ^ Halo: The Cole Protocol, page 69
- ^ Halo: The Cole Protocol, page 77
- ^ Halo: The Cole Protocol, page 79
- ^ Halo: The Cole Protocol, page 80
- ^ Halo: The Cole Protocol, page 16
- ^ Halo: The Cole Protocol, page 222
- ^ Halo: The Cole Protocol, page 70
- ^ Halo: The Cole Protocol, page 87
- ^ a b Halo: The Cole Protocol, page 238
- ^ Halo: The Cole Protocol, page 241
- ^ Halo: The Cole Protocol, page 243
- ^ Halo: The Cole Protocol, page 250
- ^ Halo: The Cole Protocol, page 275
- ^ Halo: The Cole Protocol, page 279
- ^ Halo: The Cole Protocol, page 289
- ^ Halo: The Cole Protocol, page 290
- ^ Halo: The Cole Protocol, page 317
- ^ Halo: The Cole Protocol, page 327
- ^ Halo: The Cole Protocol, page 343
- ^ Halo: The Cole Protocol pages 352
- ^ a b Halo: The Cole Protocol, page 354
- ^ Halo: Ghosts of Onyx, page 221
- ^ Canon Fodder: Brute Force
- ^ Halo: The Cole Protocol, page 258
- ^ Halo: The Cole Protocol, page 192
- ^ Tobias Buckell's Official Website: Halo: Envoy Ask the Author