Long Wall
Formerly ABL Space Systems
Missile defense interceptors and hypersonic test vehicles.
- Founded
- 2017
- Headquarters
- Long Beach, CA
- Disclosed funding
- $500M
- Status
- Operating
- Sector
- Defense
- Latest round
- —
- Reported valuation
- —
- Website
- —
Overview
Founded as ABL Space Systems to build the RS1 small launcher, the company rebranded as Long Wall in 2025 and pivoted to missile defense. Both founders were SpaceX engineers; Harry O'Hanley managed Falcon 9 integration and test.
Funding
About $500M raised, including launch contracts, per Business Insider and Wikipedia.
Disclosed funding is the sum of publicly reported rounds found in the sources below. It is a floor, not a complete total.
Founders
Harry O'Hanley, Founder, chairman & president
At SpaceX: Falcon 9 integration & test manager · 4 years
Topics
Sources
- SpaceNews: ABL Space renamed Long Wall
- Wikipedia: Long Wall
- Business Insider via Yahoo: The SpaceX Mafia is here
Last verified September 30, 2026.