Iraq is definitely a sink hole. But the War in Afghanistan has cost $370 billion which is $200 billion less than Korea (in inflation adjusted dollars).

http://costofwar.com/en/ http://historical.whatitcosts.com/facts-korean-war.htm

Thanks for the links

Quote from http://historical.whatitcosts.com/facts-korean-war-pg2.htm

> Human Costs > 33,600 American lives lost in this conflict.

So non-Americans don't count?