Catherine Age Halsey, MD, PhD (SN: CC-409871),  are a recognized researcher and you may previous staff turned prisoner of your Work environment out-of Naval-intelligence, best known since blogger of your own SPARTAN-II System and you can Mjolnir Pushed Physical violence Armor.
 Just like the she expanded older, Halsey took various significant tips to safeguard this lady left Spartans, actually going against the military laws to do so – a choice which will produce their ultimate stop of the ONI’s Kilo-Five in the 2553. Inside 2558 whenever Admiral Osman purchased Catherine’s performance, Catherine escaped the new murder attempt and you will defected so you’re able to a’s Covenant.
Very early lifetime
Catherine Halsey came into this world on the Endymion with the March 19th, 2492.  Their young people would give a glimpse out-of what would become a encouraging career. She is “smarter than simply her mothers, constantly reading, speaking, studying, and you can eager to express the lady studies that have whoever create listen.”  She was provided for Condition because of the Dean away from Biological Technology at the  Through this point, from the fifteen years old, Dr. Halsey has already been creating the woman next Doctoral Thesis papers, where she talked about archaic range purchases.  It can be known you to definitely eventually within her early lives, she checked the production of the fresh new layout for third-age group smart artificial intelligences.  She was Vice-admiral Ysionris Jeromi’s celebrity beginner as well.  ONI recruited this lady during the 2510 while the a civilian associate and you will brought her to reach.  From inside the August of the season, Halsey bought a tiny, hardback record for the a store towards the Reach, close to the foot she was stationed within the. Halsey utilized the diary due to the fact an average whereby to fairly share the girl thoughts and issues, including pen essential look notes, and you may should do therefore for the next forty-2 years, up to she given up they throughout the the lady escape from Blade Legs. This new diary try after retrieved from the ONI in 2553, and you can is appointed top secret. 
During their survey excursion towards the Spartan-II individuals, Halsey expanded connected with Jacob Keyes. The 2 was indeed involved in a partnership in the early 2520s, and also in 2525, Halsey gave birth so you can Miranda and you will increased her for some decades, whenever for the July a dozen, 2531, Miranda’s dad agreed to grab the woman in the, raising the girl into the Luna. Halsey create after possess a falling-aside that have Miranda, that would later on changes the girl judge label so you can their father’s and you may refuse to speak with Halsey for many years. 
Dr. Halsey served as the a scientific adviser into Place of work off Naval Cleverness from 2515 to help you 2522, whenever she was developed chief scientist.  She generated huge efforts to many ONI Area III projects, such as the development and you can deployment out-of AI constructs. She composed and you can started new SPARTAN-II Program, and you will customized the brand new Mjolnir armor system. These scientific developments all of the proved to be extremely important developments on the UNSC, because they have been eventually responsible for guaranteeing the latest success away from humankind.
In the 2517, on chronilogical age of 25, Dr. Halsey helmed the new SPARTAN-II Program; Spartan-II create do a different sort of generation regarding supersoldiers centered the new before functions of ORION Project having fun with abducted children. Setting up a collection of strict hereditary conditions to help you display possible individuals, she understood 150 pupils into the system, but ONI create simply render this lady sufficient financing to train 75. Thus Halsey generated arrangements meet up with all the candidates managed to determine just who the woman 75 individuals might be. At the the lady request, Junior Lieutenant Jacob Keyes then followed the lady in the interview out of John-117. On going for the woman applicants, she next encountered the https://datingranking.net/local-hookup/baton-rouge/ children abducted off their homes and you will introduced for the globe Reach for training. The fresh ‘recruited’ children were replaced with thumb clones, and this ultimately died within this a few years of various neurological and you will emotional disorder on account of issue due to new unperfected flash cloning process.