An American company, founded 2021 in Brownsville, Texas, next to SpaceX Starbase. ITAR registered.
The Space Water Report
Follow the build to orbit.
Water, hardware, and flight status, a few times a year. No other mail.
The problem
Recurring demand, by design.
Water is the feedstock for propellant and life support beyond Earth. Every kilogram still launches from the ground. Demand is continuous for crews, propellant plants, and long-duration systems.
Daily consumption
Water for drinking and food preparation, for every astronaut, every day.
Hygiene and sanitation
Personal hygiene and cleaning, essential to crew health and well-being.
Life support
Oxygen generation through electrolysis, plus thermal management.
Today
Water is still moved by hand.
Astronauts still hand-carry water bags. Every kilogram of propellant feedstock or life-support water climbs out of Earth’s gravity well.
The solution
Supplying water in space.
On-orbit water supply: transport, store, purify, and transfer. Commercial and government operators buy delivered water instead of building and owning the hardware.
- Free up launch capacity
- Reduce crew workload
- Lower delivered cost
- On-demand access on orbit
Water changes the game.
Water is propellant, life support, and shielding. Supply on orbit removes the limit on how long a mission can stay or how much propellant it can produce.
Run the numbers in our open water calculatorsThe market
Our customers are being built now.
A new generation of commercial space stations is entering low Earth orbit. Each one is a recurring water customer.
Axiom Space
First module planned to attach to the ISS. Up to 4 crew, expandable to 8+.
Vast
Haven-1, then Haven-2. Up to 4 crew, flown on SpaceX Dragon.
Starlab
Voyager Space and Airbus joint venture. Up to 4 crew, expandable to 8.
Orbital Reef
A large multi-module station designed for 10+ crew.
Named stations are potential customers, not current contracts.
The Moon
On the Moon, water is the feedstock.
Polar ice and delivered water both feed propellant plants and life support, with or without crew on site.
In 2026, astronomers at the Center for Astrophysics | Harvard & Smithsonian found that power is not what limits a lasting presence on the Moon. Water is. Polar ice is finite, every crew member uses it daily, and every rocket fueled there burns it for good. Even with space-station levels of recycling, a growing lunar base has to keep bringing water in.
- Low Earth orbit(First customers, 2028 demo)
- Cislunar depots
- The Moon
- Deep space
Water delivered
The same service we are proving in low Earth orbit, extended to cislunar depots, lunar orbit and, with lander partners, the surface.
Lunar ice, made usable
Space Ocean is working on purifying water mined from lunar ice, so it is safe for crews and propellant plants.
Lunar delivery is on our roadmap, not yet in service.
Source: Elvis & McDowell, "No cities on the Moon," Frontiers in Space Technologies, 2026
The mission
What the 12U proves in orbit.
Zero-g water transfer
Repeatable, pressure-driven transfer of water between tanks in microgravity.
Slosh characterization
Fluid behavior measured against spacecraft attitude telemetry, the core guidance and control data.
Sensors and telemetry
Full instrumentation with autonomous control and fault isolation on board.
Communications
S-band command and telemetry, plus a spectrum-management exercise with no extra flight hardware.
- 12U form factor
- NASA Class D
- 2028 launch
Roadmap
From design to flight heritage.
- 01Phase 1
Engineering and design
- 12U subsystems and payload integration
- Requirements, preliminary and critical design reviews
- 02Phase 2
Build and ground test
- Assembly, integration and test
- Vibration and thermal-vacuum campaign
- Zero-g flight test of the pump and bladder
- 032028
Launch and operations
- Rideshare launch
- In-orbit water-transfer demonstration
- Flight data and heritage
Plan your water delivery.
From lunar ice to propellant and life support.
Or email info@spaceoceancorp.com