Spartan-029
From Halopedia, the Halo wiki
A Spartan, Joshua-029 was second in command of red team during the battle of Reach. He, along with Fredric-104 and Kelly-087 piloted banshees over the LZ of a covenant ship to deliver a nuclear warhead to destroy the ship. His Banshee appeared to have been shot down just before the nuke exploded. He was listed as MIA and is assumed to be KIA.