[jebblue]

If we didn't protect the border between North and South Korea with several tens of thousands of troops each year for the past 6 decades; there are many popular brands of electronics and cars that would probably not exist today.

[a_c_s]

Talking specifically about troops, I don't buy it - we have more troops than needed as a 'tripwire' to warn of an attack, but nowhere near enough to repel a full-on North Korean assault.