---
type: entity
entity_type: company
name: "RLV C5"
domain: space-development
status: concept
tracked_by: astra
created: 2026-03-11
key_metrics:
  target_capacity: "70+ tonnes to LEO"
  propellant: "liquid hydrogen and liquid oxygen"
  architecture: "winged reusable booster with expendable upper stage"
  recovery_method: "mid-air capture by subsonic aircraft"
---

# RLV C5

Reusable launch vehicle concept developed by the German Aerospace Center (DLR) as Europe's response to Starship-class heavy-lift capability. Pairs a winged reusable booster (derived from the SpaceLiner project) with an expendable upper stage, targeting 70+ tonnes to LEO. The booster glides back on wings and is captured mid-air by a subsonic aircraft—a fundamentally different recovery architecture than SpaceX's propulsive landing approach.

DLR's institutional assessment accompanying the RLV C5 concept was unusually blunt: "Europe is toast without a Starship clone," representing explicit acknowledgment that Europe faces strategic irrelevance in space launch without Starship-class capability.

## Timeline

- **2026-03** — RLV C5 concept publicly discussed alongside DLR assessment that "Europe is toast without a Starship clone"; no flight hardware or operational timeline announced

## Relationship to KB

- Represents Europe's institutional recognition of [[the space launch cost trajectory is a phase transition not a gradual decline analogous to sail-to-steam in maritime transport]]
- Case study in [[proxy inertia is the most reliable predictor of incumbent failure because current profitability rationally discourages pursuit of viable futures]]—concept phase while Ariane 6 expendable launcher remains operational focus