(Covers information from the S.D. Perry novels)
The Umbrella Biohazard Countermeasure Service (UBCS) was a special forces branch owned by the Umbrella Corporation, specializing in rescue operations during biohazard outbreaks.
The UBCS was sent into Raccoon City in late 1998 to contain a T-virus spill.
- Platoon Alpha
- Mitch Hirami (Commander)
- Delta Platoon