Lieutenant Bertz was the commander of Alpha Team, a commando unit of the United Nations Forcesforward air control. His adjutant was Sergeant Collins, who commanded Bravo Team of the FAC.


Lt. Bertz and Alpha Team, along with Collins and Bravo Team, first appeared as part of Operation Fogbound, a rescue operation for the Greymen in Iyuli. With air support from Bone Arrow Squadron and Ridgeback Squadron, Bertz and his men infiltrated the facility where they believed the Greymen were being held. However, they weren't in the building, having already been executed elsewhere. When Stonehenge Type-3 opened fire on the units, the commandos were ordered to remain in their position until the Stonehenge fire subsided.

Lt. Bertz returned to assist with Operation Crusher along with other commando units. He directed Alpha Team into range for artillery fire against the Stonehenge ECM system, but was forced to retreat when the railguns fired directly on the commandos. After this operation, both Lt. Bertz and Sgt. Collins gained respect for the Reaper emblem that they had witnessed destroy the ECM system.

Lt. Bertz's final operation was during Operation Override, in which he and his commando units assisted in the liberating of Tokyo from the USEA Federation. At some point, when his units began to grow weary, he ordered them to keep firing since Reaper was still in the air supporting them. He was killed during this engagement, and Sgt. Collins took his place as lead of the commandos.


  • Lieutenant Bertz echoes First Lieutenant Leonard Baelz, who was also killed in action during an attack operation and replaced by a Sergeant Collins.
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