Human Exploration Architecture

Moon Base User's Guide

A guide for industry, academic, and international partners using architecture products to support phased implementation of the Moon Base.

Architecture-Driven Data Gaps

Updated and re-prioritized architecture-driven data gaps reflecting NASA focus on phased implementation of the Moon Base.

Ignition Website

Website featuring resources from NASA's Ignition event, where the agency announced new efforts to align with National Space Policy.

Architecture Definition Document – Revision C

This third revision of the Architecture Definition Document contains the results of the 2025 Architecture Concept Review in deep technical detail. (PDF)

Architecture Update

This document provides an overview of the Moon to Mars Architecture and results from the 2025 Architecture Concept Review. (PDF)

Lunar Objective Mapping Tables

This spreadsheet includes the lunar objective decomposition and is provided for ease of importing into relevant systems or databases. (XLSX)

Mars Objective Mapping Tables

This spreadsheet includes the Mars objective decomposition and is provided for ease of importing into relevant systems or databases. (XLSX)

Architecture-Driven Technology Gaps

This spreadsheet includes the architecture-driven technology gaps and is provided for ease of importing into relevant systems or databases. (XLSX)

Architecture-Driven Data Gaps

This spreadsheet includes the architecture-driven data gaps and is provided for ease of importing into relevant systems or databases. (XLSX)

Architecture Definition Document – Revision B

This second revision of the Architecture Definition Document contains the results of the 2024 Architecture Concept Review in deep technical detail. (PDF)

Executive Overview

This document provides an overview of the Moon to Mars Architecture and results from the 2024 Architecture Concept Review. (PDF)

Lunar Objective Mapping Tables

This spreadsheet includes the lunar objective decomposition and is provided for ease of importing into relevant systems or databases. (XLSX)

Mars Objective Mapping Tables

This spreadsheet includes the Mars objective decomposition and is provided for ease of importing into relevant systems or databases. (XLSX)

Architecture Definition Document – Revision A

This first revision of the Architecture Definition Document contains the results of the 2023 Architecture Concept Review in deep technical detail. (This is Revision A, Management Directive 01, which corrects minor errata and was published on March 27, 2024. See the change log for more detail.) (PDF)

Executive Overview

This document provides an overview of the Moon to Mars Architecture and results from the 2023 Architecture Concept Review. (PDF)

Objectives Mapping Tables

This spreadsheet, extracted from the Architecture Definition Document, is provided for ease of importing into relevant systems or databases. (XLS)

Architecture Definition Document

This first version of the Architecture Definition Document contains the results of the 2022 Architecture Concept Review in deep technical detail. (PDF)

Executive Overview

This document provides an overview of the Moon to Mars Architecture and results from the 2022 Architecture Concept Review. (PDF)

Objectives Mapping Tables

This spreadsheet, extracted from the Architecture Definition Document, is provided for ease of importing into relevant systems or databases. (XLS)