An order of battle looks like a dry list, but it is really a blueprint revealing how an army plans to fight. This episode reads the roster of Operation Jubilee, the 1942 raid on Dieppe, to reverse-engineer the Allied strategy and its fatal complexity.

We break down the Canadian infantry and Churchill tanks facing a shingle beach, the specialized commandos sent to steal an Enigma machine, the hand-hoisting landing ships, and the layered international air umbrella flying against a dug-in static division.

• Why 30-ton tanks bogged down on Dieppe's loose shingle pebbles
• The heist crew of interpreters and intelligence-gathering commandos
• Hand-cranked davits lowering assault craft under fire
• Why a single destroyer directed fighters and rescued survivors
• Smoke-laying Blenheims and the multinational fighter  ...