A transport is dispatched to rescue a platoon of marines deep in enemy territory, a gigantic wheel excavator digs deep into German soil, and a six-legged barge takes on the treacherous North Sea to install an offshore wind farm.

The largest aircraft in the world must transport the heaviest load ever carried by air, miners in South Africa use the biggest trucks in existence to save a massive mine, and a giant floating crane overpowers one of the heaviest ships ever built.