Noble One: Carter-A259. Carter is the leader of Noble Team, protecting the planet Reach he has lead many missions on Reach with the noble team: The investigation of a communications blackout at the Visegrad Relay, the counter-offensive operation on Sword Base, the neutralization of a Covenant tower and the Covenant space cruiser (corvette). Repel Covenant invaders from a UNSC base, which housed the Sabre launch facility. the protection the planet's civilian population from the Covenant in New Alexandria and helped in the neutralization of Covenant jammers. Proceeded to Sword Base and fought their way into the facility. Helped transport the package to the pillar of Autumn. Knowing that the delivery of the package was of the highest priority, he ordered Noble Six and Emile-A239 to drop out of the Pelican and proceed by ground while he diverted the Covenant aerial forces' attention. During the journey groundside, the two Spartans encountered a Scarab blocking their path. Carter, still in the Pelican, sacrificed his life by ramming into the Scarab, allowing the two Spartans to accomplish their objective.
Noble 4: Emile is the warrant officer of the Noble team. he fought alongside the team in the fall of reach. Emiles death: Emile and Noble Six had made their way to a Reach drydock at Aszod, where the Pillar of Autumn was Mass Driver emplacement to assist with the defense. During the engagement, a Phantom pulled up above the emplacement and dropped off a group of Zealots. Emile dismounted from the the Mass Driver and killed the first Elite with his shotgun; however, a second Elite managed to stab him in the back with an Energy Sword. Defiant to the end, Emile pulled out his knife and stabbed the Elite through the throat, dropping the both of them.
When the Noble six goes to take Emiles place in the Mass Driver, Two Elites alongside Emile are found Dead next to the mass driver.Noble 2: Lieutenant Commander Catherine-B320, also known as Kat. Kat, along with Carter-A259, is one of the only two survivors from the original Noble Team, and they share a close bond. She is Noble Team's second-in-command, she is loyal to Carter. She fought with the Noble Team during the Fall of Reach. Kat and the remaining members of Noble Team assisted the UNSC in repelling the Covenant from civilian population centres. They reunited with Noble Six in New Alexandria and helped in the neutralization of Covenant jammers and the evacuation of ONI personnel. The team was forced to enter a radiation bunker to shield them from the Covenant's destruction of New Alexandria. As Noble Team exited the elevator and ran towards the bunker, a Phantom overhead shot Kat in the head with a needle rifle, killing her instantly.
Noble 5: Chief Warrant Officer Jorge-052. He fought during the Fall of Reach as part of the Noble team. After rendezvousing with the UNSC fleet, the Sabres helped in repelling the Covenant invasion force and escorted the UNSC Savannah in commandeering a Covenant corvette. The Savannah diverted the Corvette's fire, allowing Noble Six to infiltrate the ship's hull and allow a Pelican carrying Jorge and the bomb inside the ship. Jorge and Six then used the hijacked Corvette, which was on course toward the supercarrier to refuel, to transport the slipspace device within range of the Supercarrier. After they had taken control of the Corvette, Jorge discovered that they were not only cut off from their Sabres, the thrusters on the Pelican were damaged during the firefight, and that in order for them to return to Reach, the Spartans would have to free-fall back to the planet's surface. He also found that the timing device that would have been used to activate the SFTE was also damaged, and the only alternative would be to trigger it manually.
Jorge resolved that he would stay to activate the slipspace device himself, presuming that doing so would cost him his life, he entrusted Noble Six with his dog tags before forcing B312 off the Covenant Corvette. His last known words, which were to Six, were "Tell them to make it count." As Six drifted away from the ship, Jorge activated the bomb, opening a slipspace rupture that enveloped the Corvette and a large portion of the Supercarrier's mid section. That was the last time Jorge is seen.
Noble 3: Jun-A266 is a member of the Noble team. He fought during the Fall of Reach. He was last seen escorting Dr. Halsey away from Sword Base to castle Base under orders from Carter-A259. According to the Halo: Reach Legendary Edition Developer Commentary, Jun is still alive. He is listed as MIA, and is the only member of Noble Team and one of the few Spartans as a whole to truly be so.
Noble 6: This Spartan is the one you play as and is the Member of Noble team that is kept anonomous throughout the game - no name, never see his face, dont know much about his past. He helped during the Fall of Reach, including a counter-offensive operation to retake an ONI base, the assault on a Covenant occupied site and the neutralization of a Covenant tower. Helped repel Covenant invaders from a UNSC base, which housed a Sabre launch facility, then launched into orbit in a Sabre to assist the Defense Fleet in a space battle against the Covenant fleet. Next he headed to New Alexandria, where he assisted the UNSC infantry men in repelling the Covenant forces and evacuating the civilian population, he then managed to establish radio communication with Noble Team and participated in the removal of Covenant communication jammers to allow the evacuation of ONI personnel. Noble Six, along with the remaining members of Noble Team, proceeded to Sword Base and fought their way into the facility, In the facility, they encounter Dr. Halsey who persuaded six to take package and to deliver it safely to the UNSC Pillar of Autumn. Six and Emile-A239 departed from Carter-A259's Pelican and, on foot, successfully delivered the package to the captain of the Autumn, Six and Emile encountered a Scarab, and Carter flew his Pelican directly into it, destroying both the Scarab and pelican. Later on, the Covenant assaulted the area and killed Emile. Six manned the mass driver cannon and stalled the Covenant forces from overwhelming the Autumn. The Spartan destroyed the approaching Covenant cruiser, allowing the Autumn to depart into space.
With the humans evacuated from the planet and gone, Six was among the few surviving UNSC soldiers left fighting the Covenant forces on the ground. He was eventually overwhelmed by the Covenant, and killed by Elites.