Lesson 6 of 6 · Commercial lunar payload services
CLPS: buy a delivery and evaluate what arrives
8 minute lesson · 3 checks along the way
Your goal for this lessonDistinguish NASA’s lunar delivery service model from a provider’s lander, the scientific payloads and their individual outcomes.
In this lesson 3 sections · 3 checks
Using archive links & definitions
Follow a linked name to explore its archive card. “Back to your lesson” brings you to the same part of the reading.
Words with a dotted underline open a short definition right here in the lesson.
Read & understand
A service connects instruments to the Moon
Through Commercial Lunar Payload Services, or CLPS, NASA purchases commercial delivery services for science and technology payloads. Providers arrange the spacecraft and services needed to deliver the assigned payloads, including launch and operations. NASA’s instruments and investigations have objectives, while the commercial provider has delivery responsibilities. These roles are connected without being identical.
A task order is not the same thing as a completed landing. Payload teams and providers must coordinate mass, power, mounting, thermal conditions and data interfaces. Different deliveries can use different vehicles and destinations. CLPS is therefore a NASA initiative spanning multiple delivery arrangements, not a synonym for Astrobotic, Firefly Aerospace or one particular lander.
Check 1 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
Early missions show why outcomes need separate records
Astrobotic’s Peregrine Mission One launched in January 2024 but suffered a propulsion problem and did not land on the Moon. It ended with a controlled return into Earth’s atmosphere. Some instruments could be operated during the flight, but that did not fulfill the missing lunar surface delivery. The ground-processing photograph shows preparation before launch, not an achieved landing.
Firefly’s Blue Ghost Mission 1 landed in Mare Crisium on March 2, 2025 with ten NASA science and technology payloads. Surface operations ended on March 16 after a lunar day and additional time into lunar night. NASA reported that all ten payloads activated and collected data. Analysis continued after the lander stopped operating, demonstrating that delivery, instrument operation and scientific interpretation are separate stages.
NASA photographer Isaac Watson recorded technicians preparing Astrobotic’s Peregrine lander at Astrotech on November 14, 2023. This ground-processing scene precedes the January 2024 flight. Peregrine did not complete a lunar landing; the visible legs and preparation do not establish that a surface delivery occurred.
Look closely
What additional record is needed before calling this vehicle a successful lunar lander?
See what to notice
The actual flight and landing outcome must be checked. A photograph of landing hardware on Earth cannot demonstrate a touchdown on the Moon.
Check 2 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
Trace success from the contract to usable evidence
For a fictional thermal instrument, ask first whether it reached the required site, then whether it deployed and measured as intended, and finally whether calibrated data can address the scientific question. A launch success alone cannot establish all three. A payload anomaly also should not be expanded into a claim that every other instrument on the lander failed.
The service model aims to create additional routes for lunar investigations while accepting the challenges of new commercial systems. An honest assessment identifies the contracted task, the provider’s actual flight, each payload’s results and the limits of interpretation. The early examples here are dated 2024–2025 cases, not a claim to list every later CLPS delivery or guarantee a future schedule.
Check 3 of 3
10 pointsUse the reading above. You can try again without losing points.
Put it together
Your lesson progress
Each check connects to a part of the story. Complete all 3 to earn your 25-point lesson bonus.
Explore further · Optional
Go to the source
Explore the evidence behind this lesson. These optional readings and videos open in a new tab.
- Read: NASA: Commercial Lunar Payload ServicesCompare the explanation and its assumptions with the worked example in this lesson.
- Read: NASA: CLPS deliveries and scientific payloadsCompare the explanation and its assumptions with the worked example in this lesson.
- Read: NASA: Peregrine Mission One concludes without a lunar landingCompare the explanation and its assumptions with the worked example in this lesson.
- Read: NASA: Blue Ghost Mission 1 ends and scientific analysis continuesCompare the explanation and its assumptions with the worked example in this lesson.