Cheonghae Unit significant event disease outbreak
2021 covid-19 infections
On 19 July, 2021, it is reported that 247 out of 301 crew members of the 34th contingent of the Cheonghae Unit on the Munmu the Great was tested positive for the covid-19. Two Korean Air Force KC-330 departed with 200 replacement members to transport the 301 entire crew members back to South Korea. After returning to South Korea, it is revealed that 270 crew members are tested positive.