Moon
Gateway PPE & HALO
Gateway PPE and HALO are the foundational NASA lunar-orbit elements that will provide power, propulsion, habitation, and logistics.
Planned; NASA continues Gateway development and still targets a 2027 launch window for the PPE/HALO stack.
Official mission site ↗The mission
The Power and Propulsion Element (PPE) and the Habitation and Logistics Outpost (HALO) are the foundational elements of NASA’s Gateway lunar-orbiting outpost. PPE provides power, high-speed communications, attitude control, and solar-electric propulsion, while HALO provides pressurized living space, docking, and command-and-control functions.
The launch
- Launch
- 2027
- Launch location
- Kennedy Space Center, FL, USA
- Launch vehicle
- Falcon Heavy
- Orbit
- Lunar Orbit
Mission timeline
Gateway mission page
Current overview
NASA’s Gateway page describes the lunar-orbit station and the role of the PPE/HALO stack.
Open milestone source ↗Objectives
- 01
Provide power, propulsion, and communications for Gateway.
- 02
Supply habitation, docking, and logistics capability for visiting crews and vehicles.
- 03
Anchor the initial lunar-orbit infrastructure for Artemis operations.
Spacecraft
Power and Propulsion Element (PPE)
Provides Gateway power, communications, attitude control, and orbit-raising capability.
- Manufacturer
- Northrop Grumman / Maxar
- Power
- Solar arrays
- Propulsion
- Solar electric propulsion
Habitation and Logistics Outpost (HALO)
Pressurized living quarters, docking hub, and command-and-control module for Gateway.
- Manufacturer
- Northrop Grumman
Gallery
2 images from Gateway PPE & HALO.
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