Nasal Testing Navy Petty Officer 2nd Class Julian Gordon, left, administers a COVID-19 test to a Marine in Darwin, Australia, March 22, 2021. Gordon is a preventative medicine technician; both are assigned to the Marine Rotational Force-Darwin in Australia. Marines and sailors with MRF-D are required to conduct strict COVID-19 mitigation procedures before arriving in Darwin in compliance with Northern Territory health authorities. All service members must provide three, documented negative COVID-19 swab tests throughout their travel and before being released from a 14-day quarantine period. SHARE: Download: Full Size (6.2 MB) Tags: coronavirus Credit: Marine Corps Sgt. Micha Pierce VIRIN: 210322-M-MH051-1233A.JPG Photo Gallery