Article · Wikipedia archive · Last revised Jun 17, 2026

System Delta 81

System Delta 81 is a unit of the United States Space Force (USSF) that was activated at Peterson Space Force Base on September 9, 2025. The unit supports Space Training and Readiness Command (STARCOM) by developing High-End Advance Test, Training and Tactics (HEAT3), training and live testing including war games and exercises. Col. Corey Klopstein assumed command of the unit as its first leader. The Delta is stationed at Peterson Space Force Base in Colorado Springs, Colorado and is a subordinate to the Space Systems Command. It is the sixth system delta of the USSF.

Last revised
Jun 17, 2026
Read time
≈ 1 min
Length
311 w
Citations
7
Source
Wikipedia ↗
System Delta 81
ActiveSeptember 9, 2025 - present
CountryUnited States
BranchSpace Force
TypeDelta
Garrison/HQPeterson Space Force Base
Commanders
Current
commander		Col Corey Klopstein
Insignia
SYD 81 GUIDON

System Delta 81 (SYD 81) is a unit of the United States Space Force (USSF) that was activated at Peterson Space Force Base on September 9, 2025.1 The unit supports Space Training and Readiness Command (STARCOM) by developing High-End Advance Test, Training and Tactics (HEAT3), training and live testing including war games and exercises. Col. Corey Klopstein assumed command of the unit as its first leader.2 The Delta is stationed at Peterson Space Force Base in Colorado Springs, Colorado and is a subordinate to the Space Systems Command. It is the sixth system delta of the USSF.3

SYD 81 is part of the USSF's new structure to consolidate acquisition and support SpOC Mission Deltas4 and is subordinate to the Operational Test and Training Infrastructure (OTTI).5 This mission will focus on an indefinite delivery/indefinite quantity (ID/IQ) approach to establish a pool of qualified vendors who can fulfill specific requirements to be released in summer 2026.6

SYD 81 is developing the Space Warfighter Operational Readiness Domain (SWORD) training environment to train guardians in orbital dynamics, electronic warfare, cyber effects and adversary tactics.7

References

References

  1. "Space Systems Command Stands Up New Operational Testing & Training Infrastructure (OTTI) System Delta". Space Systems Command. September 15, 2025.
  2. "SSC Launches System Delta 81". www.executivegov.com. 2025-09-16. Retrieved 2025-09-17.
  3. Cohen, Rachel (2025-08-21). "Space Force Ups Aggressive Expansion of New Acquisition Units". Air & Space Forces Magazine. Retrieved 2025-08-27.
  4. "Space Systems Command Activates New Systems Delta, More to Come". meritalk.com. Retrieved 2025-08-27.
  5. Hitchens, Theresa (2025-09-19). "SSC to finish 'system delta' reorg next month". Breaking Defense. Retrieved 2025-09-20.
  6. Hitchens, Theresa (2026-01-30). "Space Force plans to create contractor pool for 'physical/live' training needs in summer". Breaking Defense. Retrieved 2026-02-14.
  7. Scanlon, Michael (2026-01-28). "SWORD training platform key to US space superiority, program head says". Military Times. Retrieved 2026-02-28.