seoul south korea join three u.s. aircraft carrier strike group joint drill schedule nov. 11 14 south military say friday south korean naval vessels participate drill water east coast south joint chiefs staff say statement pentagon say wednesday drill involve three aircraft carrier strike group western pacific would carry first time decade confirm reuters report total seven south korean navy vessels include aegis-equipped warships participate drill statement say accompany 14 u.s. naval warships joint drill two countries practice air operations air artillery strike aircraft carrier escort test ability jointly carry operations drill also response north korean nuclear missile provocations south military say show developments pyongyang repel overwhelm force south korea say join u.s. aircraft carrier drill november 11-14