Ekranoplan Casspian The Russian Tank-Ship-Plane. Not exactly a plane but still cool. It flies just over the water because of ground effect. So it can haul a heavy load very efficiently compared to getting it up to altitude. Or floating.
An Avro Lancaster Bomber from the Battle of Britain Memorial Flight, flys over the Derwent Dam, 65 years to the day after the famous Dambuster raid known as Operation Chastise. Derwent Dam was used as a training location prior to the mission.
Although the can carry considerable disposable stores, its primary built-in weapon is the 30 mm Avenger Gatling gun. One of the most powerful aircraft cannon ever flown, it fires large depleted uranium armor-piercing shells.