Timeline
The process of proposing, developing, building, and integrating instruments to send to the surface of the Moon is a multiyear operation. All the major milestones are outlined below. Gold events are completed by the Lunar-VISE team. Blue events are controlled by the mission’s CLPS provider.
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The ATP enables the Lunar-VISE team to officially begin work on the mission, including a kickoff meeting with NASA.
NASA’s Exploration Science Strategy and Integration Office (ESSIO) approved the landing site on Mons Gruithuisen Gamma selected by the Lunar-VISE team. The Lunar-VISE team worked for several months identifying sites of scientific interest, mapping potential hazards and traverse areas before selecting the landing site and outlining a notional mission scenario.
The TIM is the initial presentation to NASA about the planned design and current status for the Lunar-VISE instruments, science investigation, and concept of operations. Passing this allowed us to proceed with instrument design and development.
The CDR consists of a presentation to an independent assessment team (IAT) and NASA on the design and current status of the Lunar-VISE instruments and how they will successfully meet our mission objectives. A CDR informs NASA of the technical risks and the program’s readiness to proceed into fabrication, system integration, demonstration and test. The team passed CDR with the IAT giving several Requests for Action (RFAs) to address outstanding issues.
The KDP is a review at which the readiness of the project is assessed to either progress to the next phase of the project life cycle (or to the next KDP) or to be terminated. The Lunar-VISE Program Manager, Program Scientist, and Project Scientist presented the results from the Lunar-VISE CDR and the IAT’s findings. NASA ESSIO gave the approval to proceed forward with building the Lunar-VISE payload.
Lunar-VISE instrument builds are being completed, and undergoing thermal, vacuum, and vibration testing.
The SIR is a final check to ensure the Lunar-VISE instruments are ready to be integrated onto the lunar lander and rover. This check determines if they’re acceptable for their intended operations, including design, reliability, safety, and functionality across all components.
Image credit: BAE Systems
The end of instrument development and testing for the Lunar-VISE payload.
Instruments will be put in storage at BAE Systems and Arizona State University until the lander and rover providers are ready for them.
Instruments will be delivered to the CLPS provider for their integration on the lander and rover.
A full CP-21 mission readiness review, including Lunar-VISE and the other CP-21 payloads on the lander will be conducted. The MRR evaluates the readiness of the mission plan to successfully accomplish the science and exploration objectives. The MRR is expected to be held four to six weeks prior to launch.
Lunar-VISE instruments will take measurements over the course of approximately 10 Earth days (one lunar day).
After the mission, the data will be archived in the NASA Geosciences Planetary Data System (PDS) for the planetary science community to download and use.




