▁establishment ▁of ▁the ▁Republic ▁of ▁China ▁in ▁ 1 9 1 2 , ▁many ▁former ▁Q ing - nav al ▁officer ▁agreed ▁with ▁the ▁revolution ary ▁ideal ▁of ▁X in hai ▁and ▁joined ▁the ▁RO C ▁Navy . ▁However , ▁with ▁war l ord ism ▁continu ing ▁to ▁pl ague ▁the ▁territory ▁of ▁the ▁Republic ▁of ▁China , ▁the ▁development ▁of ▁the ▁Republican ▁n avy ▁was ▁somewhat ▁slow . ▁Furthermore , ▁there ▁were ▁internal ▁conflicts ▁during ▁its ▁development . ▁During ▁the ▁ 2 nd ▁S ino - J apan ese ▁war , ▁most ▁of ▁the ▁RO C ▁Navy ▁was ▁destroyed ▁by ▁the ▁Imperial ▁Japanese ▁Navy . ▁In ▁ 1 9 4 6 ▁the ▁Republic ▁of ▁China ▁Naval ▁Academy ▁was ▁established ▁in ▁Shang hai ; ▁it ▁was ▁re located ▁to ▁Taiwan ▁in ▁ 1 9 4 9 . ▁ ▁RO C ▁Marine ▁Corps ▁▁ ▁The ▁RO C ▁Marine ▁Corps ▁was ▁formed ▁from ▁the ▁former ▁Navy ▁S entry ▁Corps ▁in ▁December ▁ 1 9 1 4 , ▁it ▁used ▁to ▁have ▁two ▁divisions , ▁ 6 6 th ▁and ▁ 9 9 th ▁divisions , ▁in ▁size , ▁when ▁its ▁doctrine ▁focused ▁on ▁ret aking ▁main land ▁China . ▁Since ▁its ▁transition ▁to ▁a ▁def ensive ▁post ure , ▁the ▁RO C MC ▁has ▁been ▁down s ized ▁from ▁about ▁ 3 8 , 0 0 0 ▁active ▁personnel ▁to ▁only ▁ 9 , 0 0 0 . ▁In ▁ 2 0 0 4 , ▁the ▁RO C MC ▁re deploy ed ▁a ▁brig ade