Ota Gallo

"She's about your height and build, boss, and she was damn good with that knife. If she hadn't been so small, I would have taken her for a Spartan."

- Ash-G099 describing Ota Gallo.

Ota Gallo was a former agent of the Office of Naval Intelligence. Prior to October 2553 Gallo began working for Dark Moon Enterprises.

Biography
While original working for ONI, around 2553, Gallo began working for a private-security corporation known as Dark Moon Enterprises. At some point she contacted Spencer Hume, an investigative journalist who had recently been writing exposés on the UNSC. Gallo fed Hume information on the SPARTAN-III program, particularly Gamma company in an attempt to hurt ONI. On October 14, Gallo infiltrated the Officer's club at UNSC Recreational Facility 6055-NA-A on Neos Atlantis, disguised as a server. Hume spotted Olivia-G291 and started talking to her, Olivia was undercover in an ONI training exercise, so she played along. During this time Gallo spotted Veta Lopis, and recommended the Titan Smoke whiskey, while Lopis wanted a two-tailed comet. Lopis thought it was odd that a bar server didn't know the difference between a rocks glass and a doffer, but wrote it off as inexperience. Gallo later brought Hume a bottle of zantelle laced with nicothiotal, intending to drug Olivia in an effort to get information on the SPARTAN-IIIs, and brought Veta a dark, coppery liquid. Unfortunately for Hume and Gallo, Olivia was with a team, her leader, Lopis, realized what was going on and ordered Mark-G313 to get Hume out of the bar. She tried to delay Mark by walking in front of him with a tray of drinks, but Mark shove the tray into her chest and tripped her. Gallo's response, slapping her arms out and tucking her chin, reminded Veta of hand-to-hand combat training. Mark managed to capture Hume and headed for the emergency exit. Taking the server to be a part of their training exercise, Veta posed as a member of the Criminal Investigation Division, and had two Ensigns hold Gallo as a witness to Olivia being drugged.

However, Gallo managed to escape and went after Mark and Hume with a knife, Mark didn't see Gallo coming as Hume was resisting. Mark instinctively used Hume as a shield to block the knife, when Hume continued to resist Mark punched him in the chest, killing him. By that time Ash-G099 had showed up and Gallo retreated after throwing her knife at Ash. Mark and Ash disposed of Hume's body out an airlock and cleaned the scene. Veta and her team later discovered that Gallo was formerly ONI and had joined Dark Moon after running Gallo's picture through ONI's Facial Recognition Database. Not wanting to let Gallo escape with information on the SPARTAN-IIIs, Veta lured Gallo to their hotel suite with Hume's COM pad. Gallo attacked the room with two other men, the men were quickly taken down by Mark and Ash. Gallo then threw a grenade in the room, which injured Olivia, but not before Olivia threw a knife at Gallo, killing her. Later upon meeting up with Serin Osman, Veta framed Gallo for Hume's murder, claiming Hume was going to name Gallo as his source and Gallo wanted to prevent that.

List of appearances

 * Halo: Fractures
 * A Necessary Truth