CategorySpace
Models
1
Overview
Sierra Space is a commercial space company (spun out of Sierra Nevada Corporation in 2021) based in Louisville, Colorado, building the Dream Chaser reusable spaceplane (Tenacity) for cargo resupply to the ISS and autonomous orbital operations.
Verified record
- Verified deployments
- None on file
- Active incidents
- None on file
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Key facts
Founded
CEO
Product
Employees
Fundingsee investors →
Contracts
Partners
IPOs
Data & sources
Web sources
2
2 sources backing this record.View all →
Models (1)
View all models →Sierra Space on the deployment map
Where Sierra Space's robots are verified operating. Explore the deployment map by place and type.
Relationships
Current leadership (1)
- Dan Jablonsky Chief Executive Officersecondary-verified
Board (1)
- Fatih Ozmen chair
Former / Previously (1)
- Tom Vice CEO (2021-2024)2021 to 2025secondary-verified
Safety record
No incidents on record for Sierra Space.
Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.
Full safety record: incidents, sourcing, and exposure data →
Recent coverage
Sierra Space in third-party press
Peer companies
- Impulse Space6 models
- Astrobotic Technology3 models
- China National Space Administration3 models
- Astroscale2 models
- China Manned Space Agency2 models
- GITAI2 models
Financial state
- Reporting basis
- private_reported
- Lifecycle stage
- growth
- Counterparty risk class
- low
Each numeric field carries its own basis marker. Aggregators report a number; this surface preserves the source class so verification depth travels with the value.
Funding rounds (3)
- Series C2026-03-15
$550M(reported)
Investors: LuminArx Capital (lead)
- Series B2023-01-01
$290M(reported) · $5.3B post
Investors: General Atlantic (lead), Coatue Management (co_lead)
- Series A2021-10-01
$1.4B(reported)
Investors: General Atlantic (lead), Coatue Management (co_lead)
Recent activity
Every change to this record is dated, sourced, and independently verified where marked.
- Verified media addedVerifiedJun 7, 2026
Sierra Space Introduces Dream Chaser Spaceplane Tenacity
- Record createdJun 6, 2026
Added to the verified registry
Sources (2)
Common questions
- What is Sierra Space?
- Sierra Space is a commercial space company (spun out of Sierra Nevada Corporation in 2021) based in Louisville, Colorado, building the Dream Chaser reusable spaceplane (Tenacity) for cargo resupply to the ISS and autonomous orbital operations.
- What does Sierra Space make?
- Sierra Space has 1 robot model on the DEPLOY registry: Dream Chaser (Tenacity) (Sierra Space builds physical robots).
- Is Sierra Space publicly traded?
- Sierra Space is not yet publicly traded but is in the process of going public, per the DEPLOY registry.
- Who competes with Sierra Space?
- On the DEPLOY registry, peer companies to Sierra Space building in the same form factors include Impulse Space, Astrobotic Technology, China National Space Administration, Astroscale.
- Who is the CEO of Sierra Space?
- Dan Jablonsky is the ceo of Sierra Space, per the DEPLOY registry.
- How can I invest in Sierra Space?
- Sierra Space is going public via a SPAC merger; its shares become buyable once it begins trading.
- Where is Sierra Space headquartered?
- Sierra Space is headquartered in Louisville, Colorado, USA.
- Where does Sierra Space operate robots?
- Sierra Space is a robot manufacturer and does not directly operate deployments on the DEPLOY registry. Its products are deployed by customer operators; see the company page for the verified deployment record.
- Is Sierra Space a top robotics company?
- On DEPLOY's intelligence score, which blends verified deployments, funding, hiring, media, safety, and IP signals, Sierra Space ranks in roughly the top under 1% of companies tracked by the registry.
- When was Sierra Space founded?
- Sierra Space was founded in 2021.
- Is Sierra Space safe?
- Sierra Space has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.
Methodology: Verified · 2 sources (no primary) · last reviewed 2026-07-03
Verification posture
Verified
Low confidence
Review state
Stable
Last reviewed 2026-07-03
Sources by quality tier
- 1
- knowledge-base
- Knowledge base
- 1
- unclassified
- Unclassified source
The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.
Methodology surface for Sierra Space.Peer companies
- Impulse Space6 models
- Astrobotic Technology3 models
- China National Space Administration3 models
- Astroscale2 models
- China Manned Space Agency2 models
- GITAI2 models
In the press
Recent coverage mentioning Sierra Space from third-party publications. Automatically surfaced; not part of the verified registry record.
SDA awards $1.75 billion for Tranche 3 missile defense satellites supporting Golden Dome missile shield development
The Space Development Agency has awarded L3Harris Technologies and Sierra Space agreements worth a combined approximately $1.75 billion to build 36 additional Accelerated Missile…
L3Harris, Sierra Space to build 36 satellites to expand U.S. missile-tracking network
The Space Development Agency awarded the companies a combined $1.75 billion for next batch of missile-tracking satellites The post L3Harris, Sierra Space to build 36 satellites to…
Machine-readable surfaces
- Markdown mirror: /companies/sierra-space.md
- RSS feed: /companies/sierra-space/feed.xml
- JSON-LD: embedded in this page’s head
- REST API: /v1/companies/21aaf695-61e9-4614-8c9e-8e1ca7de958e
- Revision history: /companies/sierra-space/history
- Data documentation: /data
- Query this programmatically: Deploy MCP
Peer companies
- Impulse Space6 models
- Astrobotic Technology3 models
- China National Space Administration3 models
- Astroscale2 models
- China Manned Space Agency2 models
- GITAI2 models
Reality vs attention
Sierra Space draws attention at the 33rd percentile but verifies reality at the insufficient-data level among space robots.
6-month trend
Analysis
Well-capitalized with $2.2B raised and recent funding activity. Limited public visibility and press coverage relative to peers.
Signal flags
Dimension breakdown
Verified signal
Attention (reach, not merit)
DEPLOY Intelligence scores are computed from verified registry data: confirmed deployments, disclosed funding rounds, regulatory filings, active job listings, video viewership, and press coverage. Confidence ratings reflect data availability. Scores update nightly.
DEPLOY Indices — verified vs claimed
Last computed: Jul 22, 2026