Maritime patrol aircraft
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A maritime patrol aircraft (MPA), also known as a patrol aircraft, maritime reconnaissance aircraft, maritime surveillance aircraft, or by the older American term patrol bomber, is a fixed-wing aircraft designed to operate for long durations over water in maritime patrol roles — in particular anti-submarine warfare (ASW), anti-ship warfare (AShW), and search and rescue (SAR).
A P-3C of the Japan Maritime Self-Defense Force
SS class airship
British Short Sunderland maritime reconnaissance flying boat
Interior of a French Navy Breguet Atlantic
Vickers Wellington
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The Vickers Wellington is a British twin-engined, long-range medium bomber. It was designed during the mid-1930s at Brooklands in Weybridge, Surrey. Led by Vickers-Armstrongs' chief designer Rex Pierson; a key feature of the aircraft is its geodetic airframe fuselage structure, which was principally designed by Barnes Wallis. Development had been started in response to Air Ministry Specification B.9/32, issued in the middle of 1932, for a bomber for the Royal Air Force.
Wellingtons under construction, showing the geodetic airframe
RNZAF Wellington Mark I aircraft with the original turrets; anticipating war, the New Zealand government loaned these aircraft and their aircrews to the RAF in August 1939
Wartime poster using a cutaway of Wellington to illustrate how scrap and salvage was recycled for use in the production of war materiel.