 The leading group arrived at Vernon on the afternoon of 25 August and began the assault that evening.By 10.00 on 27 August a bridgehead had been secured, the first light bridge (named 'David') was ready, tanks were being ferried across and 130 Bde was assembling in Vernon to be passed across the river when required.The troops in the bridgehead drove off a determined counter-attack, the light bridge (damaged by shellfire) was repaired, and the first 40-ton Bailey ('Goliath') was completed by 19.30.