Age 27
Birth date: June 3
name Dexter
agent: Zeta
Born in June 3, 2531, on the planet kholo by 2539 when the covenant had attacked the planet he and his mother along with his sister had barely escaped off planet the covenants relentless onslaught however their father was not so fortunate to join them he had ended up being killed on the planet by the covenant.
As for the next several years Jack, his mother and his older sister had ended up living in the Epsilon Eridani system on the planet Tribute at Casbah city until he had ended up getting drafted by UNSC in 2548 at the age of 18 he ended up becoming a young marine though despite his mother negative response, he left his home and end up training for only 2 years after that jack had fought in the battle of meridian in
Late July of 2552, When the covenant had reached the Eridani system, The planet Tribute had end up coming under attack. Jack had returned to Tribute to fight Brute ground force's eventually he managed meet up with his sister who had told him that their mother had died, was killed in crossfire, this had shocked him and had fueled him with rage ,however despite their loss he was able to save his sister and a large shuttle of moved her and them away from the Casbah city to take shelter somewhere else on the planet.
As for Jack he had gotten promoted to ODST for his unyielding courage during the battle of Tribute in October he had been stationed to earth to take part in the battle Mombasa, but during the battle had he gotten shot in the leg and was taken away so he could be placed in infirmary. During this time in infirmary he had met a woman that he couldn't take his eyes off and tried to establish a type of relationship with her.
But before it could even go any farther she had revealed to him that she was in already in a relationship with another marine known as Kevin Monsha this had become a fierce ire to him and the marine because he found out that Kevin was a womanizing man marine that he had to take orders from, When he back out into battle. on November 17 after the activation of the portal on earth and the arrival of the flood things had turned for the worse for him.
Because he was ordered to find out what happened to major Kevin monsha and his crew because major Kevin had data that ONI had given to him that had data that was meant to be given to UNSC intelligence. When Jack had found Kevin's pelican he had also stumbled to an infected combat form Kevin Monsha who was trying to kill Jack, But seeing how their was other way to save him Jack ends up killing him with several shotgun round's and and receives the data chip and tells Emma of the news but instead of trying to understand him she makes the assumption that he killed him because he wasn't able to get one woman for himself and then has him arrested on December 27.
On January 4th 2553 He is visited by agents from ONI to bring a chance at redemption and offers him the chance to come work for ONI for a few years to come, and in time ONI would wipe his slate clean along with the chance to renter society and continue his days in prison, with not many options for him he agreed to the offer. The reason why ONI had wanted him to work was because of his history and his skill and knew what had happened and looked into the incident of what had gotten him under arrest and explained that their officer was foolish to make the arrest upon jack knowing humanity state in the galaxy was on thin ice and their are not that many soldiers that have lasted as Jack have and thye could use him to investigate various forerunner sights that would be occupied by covenant remnant aggressors. , They also informed him that Emma was under punishment for actions against jack.
After a few skirmishes hear and their with a few splinter sects of the covenant, By 2558 He was then stationed on the infinity during the requiem campaign For what ONI had intended him to do and to assassinate a terrorist Part vol Rumor has the reason why ONI wanted him gone was because he had stole some of ONI's prototype technology.