SEOUL, June 4 (UPI) -- There is a Korean idiom, cheongchul eoram, that translates roughly as "blue dye drawn from indigo, yet bluer than the plant itself." A companion expression, bingchul eossu, captures the same idea from a different angle: Ice, made from water, is colder than water itself. Together, they describe the student who not only learns from the master, but surpasses him entirely. South Korea is now attempting exactly that -- in one of the world's most consequential defense contests.