Editing Dr. Halsey's personal journal

{{Era|Human|UNSC|HCW}}

'''Dr. Halsey's personal journal''' was a journal detailing the thoughts and discoveries of [[Catherine Halsey|Doctor Catherine Halsey]] over a period of 42 years, between [[2510|August 2510]] and [[2552#August|August 2552]].

Halsey bought the journal at a [[Reach]] shop on August 2510. She kept it with her for the next four decades to document her research to counter the [[Insurrectionist]]s, and later, the [[Covenant]] threat. She also expressed her thoughts on her personal relationships with [[Jacob Keyes]] and [[Miranda Keyes|their daughter]], [[SPARTAN-II program|her Spartans]], and the apocalyptic [[Human-Covenant War]]. Halsey eventually left the journal behind at the [[Babd Catha Forerunner complex]], where it was retrieved by [[Office of Naval Intelligence]] personnel just before the site, along with [[SWORD Base]], was destroyed.

Following its recovery from SWORD Base into the hands of [[ONI]], the journal together with an interactive disk chronicling [[Noble Team]]s final operations had the reference number '''UNSC X16-69859-02'''. In [[2553]], various ONI personnel and psychologists read and analyzed the journal. Based on information from the journal, AI [[Black-Box]] suggested that Halsey was trying to cleanse her conscience by hiding her Spartans on [[Onyx]].<ref>'''Halo: Glasslands''', ''page 49''</ref> Both [[Captain (Navy)|Captain]] [[Serin Osman]] and [[Naomi-010]] also read the journal, and Osman subsequently came to despise Halsey for her extremely unethical work on the [[SPARTAN-II program]]. When finally meeting Halsey on [[Ivanoff Station]], ONI director [[Admiral]] [[Margaret Parangosky]] remarks that she was impressed by Halsey's abilities as an artist, referring to the plentiful sketches she had drawn throughout her journal.<ref>'''Halo: Glasslands''', ''page 433''</ref>

By June 1, 2553, the journal was handled by [[W. B. Eton]], who later gave the journal to someone who was involved in [[Operation: WHITE GLOVE]]. By [[2610]], the individual had passed away and the journal was given to [[Unidentified Beta-5 Division operative|a subordinate operative]]. The operative later sent the journal to his cousin on [[Earth]]. The operative told his cousin to either deliver it to the curator of the [[Museum of Humanity]], Ms. [[Bjarne]], or give it to the old guard at IN.<ref>'''[[Halo: Reach Legendary Edition]]''' [[:File:Journal Package Letter.jpg|journal package letter]]</ref>

The journal also provides an explanation of why Cortana was seen on Reach as well as mentioned in ''[[Halo: The Fall of Reach]]'', assisting [[John-117]] and his team of SPARTANs on their mission. It seems Halsey needed to analyze the [[Forerunner]] symbols and systems in Professor Sorvad's site. Halsey and Cortana both independently figured out the "Solomonic solution" which helped "divide" Cortana and allow "parts of her" to help Halsey while updating her "incarnate" self on the {{UNSCship|Pillar of Autumn}} until the last minute. The two parts were reunited sometime after [[The Package (data storage unit)|Cortana's fragment]] was delivered by [[SPARTAN-B312]] to Captain Keyes before the ''Pillar of Autumn'' left Reach.

The journal also confirms that Dr. Halsey was aware of the existence of SPARTANs who were "not [hers]" well before the events of ''[[Halo: First Strike]]''. She and [[Kalmiya]] had uncovered numerous ONI documents and encrypted files that suggested the existence of [[SPARTAN-III Program|another SPARTAN program]]. After the {{UNSCship|Hopeful}} was deployed outside the Epsilon Eridani system for a week, carrying various [[Project CHRYSANTHEMUM|"carcinogenic", "mutanogenic", and "experimental" drugs]]. Upon his return, [[Admiral]] [[Ysionris Jeromi]] informed her that he knew little of what was going on, and could tell her nothing. Finally, Halsey reveals that her suspicions of other SPARTANS were confirmed when she met [[Noble Team]] at [[Sword Base]]. Later, at [[CASTLE Base]], she discovered that they, with the exception of [[Jorge-052]], had been SPARTAN-IIIs.

When the journal was recovered from [[SWORD Base]] by [[Beta-5_Division|Beta 5 personnel]] in 2552 prior to its destruction as part of [[Operation: WHITE GLOVE]], the journal had the following documents and items in it:

*An ONI memo regarding [[Covenant]] glyphs, accompanied by a photo of the symbols on a [[Sangheili]]'s [[Sangheili combat harness|armor]]

*Dr. Halsey's ONI security badge

File:ORION 047 DNA.jpg|A DNA analysis chart for candidate 047.

File:117_BIONano_Card.jpg|Johns BIOnano card.

File:X16-69909-01_back.jpg|Note with anomaly.

File:Security footage Sangheili glyphs.png|An ONI memo regarding Covenant glyphs photo.

File:Noble Surveillance.jpg|Photo of Noble team.

File:Keyes_Loop.jpeg|Halseys drawing of the Keyes loop.

File:Halsey ID badge.png|Halsey's ID badge under natural light, partial black light, and total black light.

File:Spartan-II Insignia.png|Spartan-II Unit patch.

File:Caleb_Record_1.jpg|Caleb's SPARTAN-II candidate record, page 1/2

File:Caleb_Record_2.jpg|Caleb's SPARTAN-II candidate record, page 2/2

Dubbed '''REF. UNDD 5213.9-R''' to ONI is the two excised pages from the journal entry dated 04.08.2547. These are two pages(4 sides) that were removed from the journal from an unknown date. Halsey supposedly tears these two pages out after her failed attempt to create a fractal [[Artificial intelligence|AI]] housing within slipspace, presumably to ensure secrecy.<ref>'''[[Halo: Reach]]''', ''[[Data pads|data pad 17]]''</ref>

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