Overwatch Aerospace
About
About Overwatch Aerospace
Overwatch Aerospace Ltd is an active UK private company incorporated in 2020 for aircraft manufacturing and engineering research. Its disclosed APEX unmanned aerial system is being developed as the aerial component of a UK-specific THeMIS Combat team led by Milrem Robotics.
The programme pairs APEX with Milrem's THeMIS UGV and MSI Defence Systems' TERRAHAWK remote weapon station, with Pearson Engineering responsible for armoured-platform integration. The September 2025 announcement covers development, testing, demonstration and planned UK production; it does not establish an operational deployment or production quantity.
Observed use
- Overwatch Aerospace APEX unmanned aerial system with THeMIS
2025-09-09 - Physical Demo - Connected - The UK-specific THeMIS Combat configuration combined the THeMIS platform with Overwatch Aerospace's APEX UAS.
Source
Timeline
Events
- 2025-09-09 - Partnership - Milrem forms UK consortium for a UK-specific THeMIS Combat
The consortium was announced at DSEI 2025. The proposed system combines THeMIS, Overwatch APEX and MSI-DS TERRAHAWK with Pearson integration expertise. The programme entered development and trials; field deployment was not claimed.
Source
Relations
Relationships
- Milrem Robotics
Verified Relationship - Overwatch Aerospace joined Milrem's UK-specific THeMIS Combat consortium with its APEX UAS.
Context
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Shared workflows
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Context tags
- Defence UAV builder - Stack Layer - Overwatch Aerospace develops the APEX unmanned aerial system for a UK defence programme.
- Defence UAV OEM - Stack Layer - APEX is a complete unmanned aerial system attributed to Overwatch Aerospace.
- Defence aerospace systems integration - Workflow - The programme integrates APEX with THeMIS, TERRAHAWK and Pearson Engineering support.
- Defence unmanned-systems ecosystem - Stack Layer - APEX is part of a THeMIS Combat unmanned ground-and-air system programme.