From August 2012 to March 2013, sailors deployed on South Korean Aegis ship DDG-993 were reliant on lifejackets that, unbeknownst to them, might not have saved them in case of emergency.

Lawmaker Kim Kwang-jin of the main opposition New Politics Alliance for Democracy raised this issue in a report last week, not long after a similar report from the National Assembly faulted the South Korean Army for its poor quality body armor.