katharine da costa, bbc news, in banbury.m on the 75th anniversary of the largest airborne operation of the second world war, the battle of arnhem, including a mass parachute drop. it marked the failed bid to recapture a bridge across the river rhine from the nazis where more than 1500 servicemen died. one veteran, 97—year—old sandy cortmann, joined nato pa ratroopers on today's jump in the netherlands. our defence correspondent, jonathan beale gave us this update from arnhem. this is probably one of the last, biggest events like this they will hold while they can share it with those veterans who are still alive — an ever—dwindling number of the, around 60 here, as you mentioned. sandy was the only one who carried out that assisted jump with the parachute regiment‘s red devils. he landed here. he was applauded by the crowds. we're seeing a few more now jumping out here from an aircraft. that has been happening throughout the day, as you say. hundreds of british but also nato troops simulating that landing that took place, obv