21. Military staff and employees arrive via road or tracked vehicles . 22. A lot of customers believe tracked vehicles are the answer to their compaction problems, 23. Their inspiration was a miniature French tracked vehicle found after France was defeated in 1940. 24. Most shallow well drilling machines are mounted on large trucks, trailers, or tracked vehicle carriages. 25. Crusader tracked vehicle with 155 millimeter howitzer gun-- $ 265 . 5 million for development. 26. Further high-powered wheeled and tracked vehicle series were developed and manufactured for the world markets. 27. It was a small light tracked vehicle with a turret armed with one machine gun. 28. Each standard tracked vehicle is also defined in terms of track width, length, and spacing. 29. The wheeled and tracked vehicles were able funnel their way inland from the narrow beaches. 30. The advantages are of course, superior mobility and agility compared to wheeled or tracked vehicles .