Precautionary Measures Marines assigned to Marine Wing Headquarters Squadron, 3rd Marine Aircraft Wing continue to take precautionary measures such as cleaning and disinfecting their hands during field day at Marine Corps Air Station Miramar, Calif., March 20, 2020. The purpose of these measures is to mitigate the spread of COVID-19 while continuing to perform mission-essential tasks. SHARE: Download: Full Size (1.88 MB) Tags: Marine Corps, Coronavirus Credit: Marine Corps Lance Cpl. Jaime Reyes VIRIN: 200324-M-NR678-1039A.JPG Photo Gallery