World War 1 in Colour (2003) – S1, Ep7 – Tactics & Strategy January 14, 2021 Nicola World War 1 in Colour - Documentary Series (2003) Tactics & StrategyWw1 Saw The Introduction Of Technical Innovation And Industrial Weapons Manufactured. Poison Gas, Fighter Aircraft, Heavy Bombers, Railway Guns And Heavy Duty Mines All Took Their Toll On Millions Of Europe’s Armies.