Stalingrad. The Germans got so swept up in conquering a city of little strategic importance that their eventual defeat there may have well cost them the war despite making headway throughout the rest of Russia. That's what we're doing arguing about stuff like this.
I was thinking the IJN off of Guadacanal, but I see your point.
NRA Life Member
Big Sister: "Everyone in America is fine with the .30-30, except Mack. He has to shoot that .35 because that extra point zero fives inches will matter on Bigfoot."