pocheon south korea screech incoming fire follow explosion resound across forest hillsides near border north south korea battalion commander rob kimmel u.s. 2nd armor brigade combat team scan village base mountain tell-tale smoke enemy fire try attack r.o.k force locate say kimmel refer south korea official name republic korea drill one several major world power engage near korean peninsula amid heighten tension wake north korea increasingly frequent missile test sixth nuclear test month u.s. soldier conduct joint exercise south korean ally mission day recapture village enemy hand occasional crack gunfire soldier combat gear hide build prowl round corner village specially create military train 700 troop engage four-day drill call warrior strike near demilitarize zone dmz world heavily defend frontier south korea unite state technically still war north korea 1950-53 korean conflict end truce peace treaty drill hold regularly military invite media observe one first time two years say kim hyon-sok public affairs specialist u.s. 2nd infantry division u.s. military describe exercise train readiness fight tonight north korea need base fort hood texas kimmel team nine-month deployment south korea continue train situations may arise say kimmel big milestone type exercise ... two three north korea repeatedly demand unite state south korea call joint exercise pyongyang view provocative day early u.s. south korean warplanes run bomb drill peninsula china official xinhua news agency report china russia begin naval drill russian far eastern port vladivostok far russia-north korea border xinhua report link exercise ongoing tensions north korea expect dominate unite nations general assembly new york late tuesday china russia repeatedly call peaceful solution talk resolve brew crisis north korea ask whether drill near border would make north korean side fearful ally military capabilities kimmel reply sure would hope u.s. south korea troop stage mock battle retake village near north korean border