D-Day_ The Battle for Normandy - Antony Beevor [25]
French Communists in the Resistance knew nothing of this, and not just because of communication difficulties. In Moscow, the International Section of the Central Committee, which had replaced the Comintern, received little guidance from above. Stalin had washed his hands of France. It appears that he could not forgive her collapse in 1940, which, contrary to all his calculations, had left the Soviet Union suddenly vulnerable to the Wehrmacht.
The Special Operations Executive in London, which was in radio contact with 137 active stations, estimated that by the spring of 1944 the strength of the Resistance approached a total of 350,000 members. Around 100,000 may have had serviceable weapons, yet only 10,000 had ammunition for more than a single day of combat. The main contribution which the Resistance offered to the success of Overlord lay not in guerrilla action, but in intelligence and sabotage, contributing to the isolation of Normandy from the rest of France.
Résistance Fer, the organization of railwaymen, played a considerable part in both these fields. The strength of divisions could be estimated by the number of trains used to move them. For example, the 12th SS Panzer-Division Hitler Jugend was known to be close to maximum strength because the railwaymen, known as ‘cheminots’, had reported that eighty-four trains were needed. A ‘Plan Vert’, or Plan Green, covered sabotage. Working with other Resistance groups, the French cheminots helped derail trains in tunnels, from where it was difficult to extract them. Heavy lifting cranes became a priority target for both sabotage and air attack. Engines were wrecked in marshalling yards and railway tracks constantly blown up.
In Burgundy and eastern France up to the German border, rail traffic came to a halt. Altogether thirty-seven railway lines were cut around Dijon just before the invasion. French railwaymen suffered heavy German reprisals. Several hundred were executed and another 3,000 deported to German camps. Engine drivers also faced the perpetual danger of attacks by Allied fighter-bombers. Typhoon pilots delighted in targeting trains with rockets and cannon to see the engines explode in a cloud of steam. On a less dramatic level, the cheminots became expert in delaying German troop trains, often by sending them down the wrong line. The Germans had been forced to bring in 2,500 of their own railwaymen, but the sabotage continued.
Apart from the obvious reasons for preventing the movement of German troops and supplies by rail, there was an added advantage in forcing movement on to the roads. Tank tracks had only a limited mileage, and as a result of the American Eighth Air Force bombing oil plants and refineries, the Wehrmacht was desperately short of fuel. Their lack of rubber for tyres also provided another very easy target for Resistance groups. Tacks and glass scattered on roads used by supply vehicles proved very effective in hampering road traffic, which was the point of ‘Plan Tortue’, or Plan Tortoise.
‘Plan Violet’ was assigned to members of the French telephone and telecommunications organization, the PTT. This concentrated on cutting the underground cables which the Germans used. Although they did not know it, this had the added advantage of forcing the Germans to use radio communications, which could then be decoded through Ultra. ‘Plan Bleu’, meanwhile, focused on sabotaging electric power lines.
In the Norman départements of Calvados and La Manche, the Resistance was not a major force. The most militarily active of the small networks was the Surcouf group at Pont-Audemer. There were some 200 members in and around Bayeux, as well as some fishermen in the little ports along the coast. Further inland, where the conditions were more