In December 2022 a first call-off of 436 protected tracked all-terrain vehicles was placed for Sweden, Germany and the United Kingdom under a framework agreement that runs to December 2029. In February 2026 Sweden’s Defence Materiel Administration listed the Bandvagn 410, the Swedish designation for that vehicle, among the larger army deliveries deferred into 2026, without stating which of Sweden’s orders for it were affected. The interval between order and delivery frames a wider problem. Europe’s mountainous regions do not constitute a separate theatre of war, but they impose a distinct set of conditions on forces that may have to defend, reinforce or sustain operations there. The relevant problem is therefore broader than the number of specialist mountain infantry units available. It concerns whether personnel, transport, engineering, command systems, power, maintenance, clothing and resupply can remain usable together when roads are restricted, weather interrupts movement, equipment has to change transport mode and ordinary logistical assumptions cease to hold. Specialist formations, common doctrine and multinational training already exist across the Alps, the Dinaric region and the Carpathians. For European rearmament, the unresolved question is not whether individual countries possess mountain warfare expertise, but whether that expertise is embedded in force structures and industrial support chains capable of converting equipment and training into sustained military availability.