The $1 billion Series C was co-led by Andreessen Horowitz, Carlyle, and JP Morgan Chase.
Ex-SpaceX startup Castelion closed $1B Series C at $13B valuation with $500M+ in secured U.S. military hypersonic contracts. This signals massive VC redeployment toward defense manufacturing at scale, reshaping talent flows and supply-chain criticality in enterprise tech strategy.
In Brief
Posted:
12:01 PM PDT · August 20, 2026
Image Credits:Castelion (opens in a new window)
Castelion, a missile startup founded by former SpaceX executives, has raised a $1 billion Series C at a $13 billion valuation. The round was co-led by Andreessen Horowitz, Carlyle, and JP Morgan Chase.
The round will fund expanded production of the Blackbeard hypersonic missile and development of longer-range strike and defensive…
Castelion raised $800 million.
Hypersonic weapons are systems capable of sustained flight above Mach 5
Hypersonic missile startup Castelion raises $1 billion Hypersonic missile startup Castelion raises $1 billion
Castelion raised $1bn at a $13bn valuation to mass-produce hypersonic missiles. The Navy has so far ordered 50 pre-production…
Castelion, a nearly four-year-old startup that makes hypersonic missiles, is aiming to raise a new funding round at a valuation…
Hypersonic missile startup Castelion raises $1 billion
