Revealed: History's Most Expensive Military Vehicles

5. Panzer 68 – Switzerland

Manufacturer: Eidgenössische Konstruktionswerkstätte Primary user: Swiss Army Project cost: $481.95 million for 101 tanks The Panzer 68, developed in the 1960s, served Switzerland until the late 1990s.

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A 1979 exposé revealed serious flaws—most notoriously a heater that could fire the main gun—prompting upgrades and the defense minister’s resignation before the type was ultimately retired.