cannon confussion gun mess paritesflag red rope ropes sea ship ships white yellow army boat cruiser cutout guns isolated marine military ocean panzer turrets war warship wave crane derrick dock England naval Portsmouth quay wharf amidships bow history madeira mediaeval orifice plank porthole Portugal Portuguese replica reproduction weapon air Show aircraft attack cammo flight gun ship Harvard Hercules pilot plane propeller show trainer training antenna battleship channel cruise destroyer mast navy orange radar silhouette sparkling sunset underway water anti-aircraft artillery barrel fire flak gunnery ordinance ordnance shoot cannons city english Great Britain HMS Belfast landmark London moored river thames tourist attraction Tower Bridge