Jan 16,2015 Topics of the Month Comparative Southeast Asian Military Modernization – III Maritime Balance in the South China Sea: Submarines in Southeast Asia In recent years, Southeast Asian countries have pursued the acquisition of submarines with increasing vigor. Currently, four countries in the region operate them: Indonesia (with two Type 209 submarines), Malaysia (with two Scorpène-class submarines), Singapore (with two Archer-class and four Challenger-class submarines),1 and Vietnam […] Felix K. Chang defense community , military cooperation