SPARTAN-B170

Michael, better known as, SPARTAN-B170 was one of 418 candidates recruited circa 2539 for training with Beta Company of the SPARTAN-III program at seven years old. Trained by Lieutenant Commander Kurt Ambrose and Senior Chief Petty Officer Franklin Mendez at Camp Currahee on Onyx for roughly six years, Michael ultimately became one of the 300 candidates in Beta Company to undergo biochemical augmentation and enter active duty with the UNSC Navy's Naval Special Weapons.
In May 2545, Lieutenant Commander Ambrose attempted to have Michael-B170 and Lucy-B091 deployed on a deep reconnaissance mission to avoid the anticipated bloodbath of Operation: TORPEDO. Lucy ultimately remained assigned to Operation: TORPEDO later that year. However, Michael was deployed with ECHO Team, a small team of Cat-2(met the genetic requirements of the SPARTAN-II Program) Spartan-III's from Beta Company that we deployed with MJOLNIR Powered Assault Armor. 
On August 23, 2552, ECHO Team was deployed to defend civilian evacuation operations on Reach as the Covenant invaded the planet. Due to the MJOLNIR armor, and lack of public knowledge, it is possible for the SPARTAN-III's who were present in the evacuation to be mistaken by their predecessors, the SPARTAN-II's.
On August 29, 2552, ECHO Team was dispatched to SWORD Base on a torch-and-burn op. This was the same mission as NOBLE team, however NOBLE team was retasked with defending Dr. Catherine Halsey's labratory while she finished decrypting information from the Forerunner ship ruins. As NOBLE team and Dr. Halsey, seperated on the pelicans, ECHO team got to a safe location, and detonated the HAVOK Tactical Nukes they were provided from unknown ONI officials who also gave them a secondary task of locating and retreving Dr. Halsey's journal, in which they succeeded.
ECHO Team received new orders through a secure channel from ONI officials. ONI directed ECHO Team to abandon Reach immediately and provided them with a rendezvous for a hidden evacuation point, where they would be extracted off the planet by an ONI Winter-class Prowler. ECHO team were able to get off the planet Reach, while it was being glassed by the Covenant. The Prowler jumped to slipstream space oncourse near Earth's coordinates, and flew the rest of the way there.
On October 20th, 2552, ECHO Team were in Sydney, Austalia on Earth being debriefed from their recent extraction on Reach, aswell as the events on Installation 04.