System Delta 89
Military unit
From Wikipedia, the free encyclopedia
Systems Delta 89 (SYD 89) is a unit of the United States Space Force (USSF) that was activated on September 20, 2025.[1] The mission of SYD 89 is to provide sustainment to cyber, ground and space based combat power elements of U.S. units and allied partners.[2] Col. Brendan Hochstein took command of the unit at its activation.
| System Delta 89 (SYD 89) | |
|---|---|
| Active | September 30, 2025 - present |
| Country | United States |
| Branch | Space Force |
| Part of | Space Systems Command |
| Garrison/HQ | Los Angeles Air Force Base, California |
| Nickname | Wolfpack |
| Commanders | |
| Current commander | Col. Brendan Hochstein |
| Insignia | |
| SYD 89 GUIDON | |
SYD 89 has four System Program Directors (SPD) in the areas of Orbital Warfare, Space Superiority, Spectrum Warfare and Innovation and Prototyping.[3]
In December 2025, SYD 89 announced that it was seeking a new satellite to replace the Silentbarker series.[4] The USSF has also said it intends not to partner with the National Reconnaissance Office (NRO) for the replacement.[5]