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Biographical information


c. 2511





Political and military information



Trainee (2517-2525)

Service number:



Kai-125 was a Spartan-II who fought during the Human-Covenant War.[1]

Childhood conscription[edit]

Footage of wolves taking down a moose was played many times in the early days of training in order to emphasize the importance of teamwork.[2]

Kai was the one hundred twenty fifth of one-hundred and fifty children of similar age that was selected based on specific genetic markers for inclusion in Project: SPARTAN-II. On September 23, Kai and the seventy-four other children ultimately chosen for the program were led into an amphitheater through four sets of double doors, each accompanied by a naval drill instructor.[3] There, at around 2300 hours, far below the ground within a FLEETCOM military complex, Halsey informed them that per Naval Code 45812, they were thereby conscripted into SPARTAN-II. She explained that they had been called upon to serve and that they would be the protectors of Earth and all its colonies. Halsey told them that from this moment on, the complex on Reach would be their home and their fellow trainees would be their family. And though the training that lay ahead of them would be difficult, she expressed her full confidence in their ability to overcome it. With that said, she told them to rest and that they would begin the next day. Chief Petty Officer Franklin Mendez had the children escorted to their barracks, fed, and put to bed.[3] Kai and the other children were awoken by drill instructors at 0530 hours the next morning.[4] Chief Mendez addressed them all, saying they were to shower at the barracks aft and then return to their cots to dress. Kai stripped down and joined the other children on a conveyor to be washed in lukewarm soapy water and then rinsed in an icy cold spray. A trunk at the foot of her cot held underwear, thick socks, combat boots, and a matching set of gray sweats with "KAI-125" stenciled on the chest. Once everyone was clothed, Mendez marched them outside and had them form five rows of fifteen children each. From there, they were ordered through a series of calisthenics which included one-hundred each of jumping jacks, sit-ups, deep squats, knee bends, and leg lifts. After the leg lifts the kids were finally given a respite in the form of water. Next, Mendez ordered them to join him on a run. They jogged through the military compound, past more barracks, along a river, and over a bridge, finally coming to a stop in the courtyard of a naval officers' academy. There Kai and the others met Déjà, a so-called "dumb" A.I. who had been given the job of continuing the trainees' formal education. Within the building, Kai and the others were served crackers and milk and treated to a history lesson concerning the Battle of Thermopylae. After the lesson the trainees were told they were heading for the playground, but this turned into a two-mile run to a forest of twenty-meter-tall wooden poles, rope cargo nets and bridges, knotted climbing ropes, pulleys, and baskets. Mendez had them form three lines and declared that each row of three would be a team. Chief Mendez explained that they would be playing a game called "Ring the Bell" in which the objective was for every member of each team to ring a brass bell that hung from a slide pole next to the tallest wooden pole and then make it back to the start. The last team to make it back would go hungry that evening. This punishment ultimately fell on Team Three, of which Kai was not a part.[4] The second day of training began just like the first.[4] The trainees spent the morning doing calisthenics and in the afternoon reported to Déjà to learn. This day, she taught them about the hunting strategies of wolves and emphasized the importance of the pack over the individual in accomplishing a challenge, such as taking down a moose. When it came time for the "playground" again, Mendez declared that they were to keep the same teams they had the prior day. The teams had a brief moment to strategize, as the course had been made more complicated as compared to before.[4] Three days later, on September 28, all the trainees were given haircuts.[5] On May 24, 2518, the children were forced at 0920 hours to run through a course while being shot at with paint pellet guns.[6] Each trainee that was hit was made to do an exorbitant amount of push-ups.[6]

Behind the scenes[edit]

Kai will appear in Halo: The Television Series. She has been described as "courageous, curious and deadly." She will be portrayed by Kate Kennedy.[1]

List of appearances[edit]


  1. ^ a b Kotaku - The Halo TV Show Just Cast A Few Very Interesting Characters
  2. ^ Cite error: Invalid <ref> tag; no text was provided for refs named HTFOR5
  3. ^ a b Halo: The Fall of Reach, Chapter 3
  4. ^ a b c d Halo: The Fall of Reach, Chapter 4
  5. ^ Dr. Halsey's personal journal, September 28, 2517
  6. ^ a b Halo: Fall of Reach, Boot Camp