WWI = US entered war with total crap, tens of thousands of US soldiers slaughtered.
WWII = US entered war with total crap, tens of thousands of US solders slaughtered.
Korean War = US enter war with total crap, tens of thousand of US soldiers slaughtered.
Vietnam War = US enters war with wrong equipment, tens of thousands of US soldiers slaughtered.
Gulf War = US enters war with state-of-the-art equipment, less than 1000 US soldiers die.
Seeing a pattern yet?
Yeah, the quality of our enemies is directly proportional to our survival rate