Our involvement in 1 war is obviously not enough for some people. 
Actually, the Swordfish only saw one World War although it owed its design more to the First than the Second. It's survival in spite of all the firepower of the Bismark was largely due to them flying too slowly for the Kriegsmarine AA gunners and the fact that its structure allowed shrapnel to pass between the wings and cause relatively little damage to the fabric skin. The pilots of those aircraft would have been knackered had they come up against an aircraft such as the Messerschmidt Bf 109.Just because it's old doesn't mean it's dead. Look at the Swordfish.
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That aircraft saw two world wars, was still in service depite attempts to replace it and crippled the Bismarck.
Then there's the Antonov an225
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Despite losing the chance to carry the Buran when the iron curtain fell at least it now has a respectible career as a courier. One of the largest in the air. I especially like how balanced it looks compared to other giant planes.
Or also from Russia, The Tu 95.
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It's engines and props alone are cool enough making it the fastest turboprop in the world, still in use today.