Inspired by David Flin's response to my thread "Unsung Hero" weapons regarding the naff British Army issue boots.
Again post-1900, pick a weapon or piece of equipment used by a nations Army, Air Force, Navy or Marines services that either cost the nation using it a battle or an entire conflict.
As before I'll get the ball rolling.
Air.
Brewster Buffalo
Hopelessly outclassed as a fighter in both USN and RAF (Malaya) service by Jap Zero's.
Fairy Battle
God knows what they were thinking off putting the same engine from a Hurricane and putting it in a aircraft that had to carry 3 crew members plus a half ton bomb load! No wonder ex-crew members remembered it with a shudder.
Army
Schwerer Dora/Gustav 80 cm Artillery Guns
"Nuff" said, what a waste of time, manpower and effort.
Regards filers