OPENING THE OTHER HALF OF THE MOON
Relay systems, landers, & Firefly’s growing lunar architecture
Based on an interview with
William Coogan
Lunar Lander Chief Engineer
Firefly Aerospace
For decades, lunar exploration focused primarily on the near side of the Moon, the hemisphere constantly facing Earth. The far side remained significantly more difficult to access, largely because communications become impossible without infrastructure positioned in lunar orbit.
That challenge is now beginning to change.
Following the successful Blue Ghost Mission 1 landing, Firefly Aerospace is steadily expanding its lunar capabilities beyond landers alone. Future missions are building toward a broader operational architecture that includes orbital relay systems, precision navigation, surface communications, and scalable infrastructure designed to support continuous lunar operations.
BUILDING ACCESS TO THE FAR SIDE
Firefly’s upcoming missions progressively increase operational complexity.
After demonstrating a successful near-side landing with Blue Ghost Mission 1, the company’s second mission targets the far side of the Moon, requiring a communications relay architecture capable of transmitting data back to Earth.
“Without these satellites, half the Moon is off limits to you,” explained Will Coogan, chief engineer at Firefly Aerospace.
To support those missions, Firefly is deploying its own relay satellites into lunar orbit while simultaneously supporting customer relay systems and surface payloads. Over multiple missions, that architecture begins forming an operational communications layer around the Moon itself.
The relay infrastructure also supports rovers and surface systems operating beyond direct line-of-sight communications. Rather than requiring every rover or payload to maintain large direct-to-Earth communications systems, orbital relays allow smaller surface systems to operate more efficiently across wider areas of the lunar surface.
LEARNING HOW TO OPERATE ON THE MOON
Each mission is also teaching new operational lessons.
One of the biggest challenges involves learning how systems behave in the actual lunar environment, particularly during descent and surface operations. Blue Ghost Mission 1 revealed unexpected thermal conditions caused by nearby surface features reflecting heat back toward the vehicle.
Dust interactions, thermal management, precision navigation, and autonomous hazard avoidance are all becoming increasingly important as missions move toward more difficult landing sites, including boulder fields and eventually the lunar south pole.
Firefly is also developing increasingly automated operational systems as mission durations and orbital assets expand. Future relay satellites are expected to operate for years, requiring far more autonomous operations than earlier missions.
FROM MISSIONS TO INFRASTRUCTURE
As lunar operations scale, landing systems are evolving into something larger than individual spacecraft.
Relay satellites, navigation systems, precision imagery, communications architecture, and surface operations are beginning to connect into a broader operational ecosystem supporting long-term lunar activity.
The Moon is steadily becoming more connected, more navigable, and more operationally accessible with every mission launched.
Blue Ghost Mission 4
Rendering of Elytra deploying Blue Ghost in lunar orbit.
ABOUT FIREFLY AEROSPACE
Firefly Aerospace is enabling our world to launch, land, and operate in space. Anytime. Anywhere.
Building the Moon Base
Building the workforce
Closed-Loop Systems
Shared Ground on the Moon
Foundations for the Moon
A Seat at the Table
Materials For a Working Moon
Crossing the Threshold
BENEATH THE MOON
From Formula One to the Final Frontier
The Infrastructure Landers
Building The Lunar Supply Chain
Connecting the Moon
First Moon Infrastructure
Opening The Other Half of The Moon