Overview: The summer flying season for Britain's world class pilots is well underway and tensions are running high. At the UK's largest air show in Gloucestershire, the Red Arrows are battling with the weather. Recreating an 18-plane World War II scramble is putting the RAF Hurricane Pilots through their paces. And to salute the Battle of Britain veterans, the Typhoon Fighter jet pilot has a very special ace up its sleeve... an emotionally charged synchro with a Spitfire.