Alpha-Five was Marcus Fenix and Carlos Santiago's old squad during the Pendulum Wars that was stationed at a Forward Operation Base in Sarfuth. They worked alongside Three-Zero on the Imulsion pipeline that ran along the Sarfuth-Maranday border. This squad took part in the Sarfuth-Maranday Border Incident, along with Three-Zero.

Squad HistoryEdit

Sarfuth-Maranday Border IncidentEdit

Three years before Emergence Day,[1] Alpha-Five was stationed along the Sarfuth-Maranday border, defending an Imulsion pipeline from UIR saboteurs with the help of sniper team Three-Zero. They killed one saboteur, but chased him over the border during the pursuit.[2] They took his body back to their base, and continued on patrol.[3]

Known MembersEdit


Corporal Marcus Fenix

Current Status: Reassigned

Marcus was the commander of Alpha-Five during the Sarfuth-Maranday Border Incident.

Carlos Santiago

Private Carlos Santiago

Current Status: KIA

Carlos was Marcus' best friend, and the only other member of Alpha-Five. He was killed at the Battle of Aspho Fields.


  1. Gears of War: Aspho Fields pg 90
  2. Gears of War: Aspho Fields pg 95-107
  3. Gears of War: Aspho Fields pg 113-119

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