Mulberry harbour the armoured vehicles would be able to operate on the beach or become bogged down. The final survey, Operation Bellpush Charlie, occurred on the night of 30-31 January but limited information was gathered due to fog and because German lookouts heard the craft. Further sorties were abandoned. On the afternoon of 6 June 1944 (D-Day) over 400 towed component parts (weighing approximately 1.5 million tons) set sail to create the two Mulberry harbours. It included all the blockships (codenamed Corncobs) to create the outer breakwater (Gooseberries) and 146 concrete caissons (Phoenixes). At Arromanches, the first Phoenix was sunk at dawn
South African Railways and Harbours Administration workers by Afrikaners. Most of the black workers were migrants, housed in company labour compounds. In 1936 starting pay for single black workers was 3/6d a day and for coloured workers 4/-d a day. After 11 years pay rose to 4/6d for black and 5/- for coloured workers. Married workers got between 4d and 6d more per day. 28,000 of the 45,000 employed were casual day labourers. Dock workers were often required to "stand by" waiting for a ship to arrive. The South African Railways and Harbours Union was formed after a meeting of the staff in Cape Town on