Terrain information is an operational input before it is a cartographic product. Land forces need a representation of the physical environment that they can trust for the task at hand. It has to move between systems without losing meaning, be updated when the environment changes, remain usable when connectivity is constrained and be maintained for as long as the operation requires it. Maps, elevation grids, georeferenced imagery, vector features and three-dimensional models therefore form a capability chain rather than a library of files. Unlike a platform or a munition, this capability cannot be counted on delivery: its value depends on knowing where the ground is, how old that knowledge is and who vouches for it. The European question is not whether suitable geospatial data exist somewhere, nor whether modern software can display them. It is whether defence organisations can establish which representation is authoritative for a given purpose and understand its age and provenance. They must also be able to preserve its geometry and semantics through transformation, hold the rights needed to distribute and modify it, and sustain the people, contracts and cash flows required to turn data into an accepted military reference. The public procurement and financial record offers an unusually direct way to see where that chain is sustained and where it can break.