Develop working fluency across every domain MDI touches: classified network architecture including Type 1 encryption, COMSEC, and cross-domain solutions; sovereign and classified cloud at both controlled-unclassified and secret tiers, including identity federation and policy-as-code; edge-to-cloud and store-and-forward data pipelines; expeditionary and contested-environment networking; and command and control integration onto air-gapped networks. Multi-Domain Digital Infrastructure (MDI) builds and operates the classified networks, sovereign cloud environments, edge-to-cloud data pipelines, and expeditionary digital infrastructure that Anduril''s autonomous maritime and maneuver platforms depend on across the United States, United Kingdom, Australia and beyond.