Their arrival comes less than week since confirmation of the unit's first COVID-19 patient.
Depending on the severity of their symptoms, the crewmembers were sent to two military hospitals and two treatment facilities one military, the other civilian that are reserved for COVID-19 patients.
The crewmembers are being tested for the coronavirus again, and those that have tested negative will be transferred to a military facility for quarantine.
Defense Minister Suh Wook apologized for the mass infection in the Cheonghae Unit, cited as the biggest outbreak within a single military unit in South Korea so far, a predicament exacerbated by the fact that none of them had been vaccinated.