lotsoflunch, you need to skip back 50 years and stop watching american TV shows. Who was the threat to? There is nothing Gillard can do except stay in the shadow of the Uncle Sam like a well behaved child.
Research the gulf of tonkin, and the history of the Korean War (the less accepted and real version of fabricated events). The Korean War was a farce, and the US kept military presence in South Korea ever since - this is what it does.
Given the Korean divide did not evolve naturally, but was forcibly interfered with by The US and USSR at the time, there isn't a role for anyone except north and south Koreans. They had a chance to hand back the whole peninsular in 1945 and this issue would have disappeared there and then.
