Robb's ability was put to use in Operation Bertram, the large-scale camouflage and deception operation for the battle of El Alamein. Barkas put Tony Ayrton and Robb in charge of the enormous and complex task of camouflaging Eighth Army's preparations and movements on the genuine attack path in the north, near the coast road, while creating a complete dummy armoured division in the south, near El Munassib in the desert. The dummy stores dump in the south was codenamed "Brian" after Robb. The dump contained 700 false piles of stores, simulating everything from ammunition and petrol to food and engineering tools.