Data product · S2 Underground (S2A1) · 2025 · CC BY-NC-SA 4.0
All ArcGIS mapping layers published as KMZ, updated daily. Companion geospatial product from S2 Underground for open use alongside reporting and analysis.
maps KMZ ArcGIS geospatial
GhostMaps GitHub repository GitHub repo
All S2 publications · Military manuals