System Delta 84 | |
---|---|
![]() Since July 2025, System Delta 84 has no official insignia | |
Active | July 10, 2025 - present |
Country | United States |
Branch | Space Force |
Role | System Delta |
Garrison/HQ | Los Angeles Air Force Base |
Commanders | |
Current commander | Col. Stevie Medeiros |
System Delta 84 (SYD 84) is a unit of the United States Space Force (USSF) that was activated at Los Angeles Air Force Base on July 10, 2025 as a part of USSF Space Systems Command. Col. Stevie Medeiros assumed command of the unit as its first leader. [1] The unit is responsible for Space-Based Missile Warning and Tracking, including threats such as hypersonic weapons and will be linked to its partner delta SpOC Mission Delta 4. [2] The Delta is the first system delta of the USSF. [3] SYD 84 is part of the USSF's new structure to consolidate acquisition and support SpOC Mission Deltas. [4]