COVID-19 Mission Training Hundreds of Maryland National Guard members participate in joint training and in-processing at the Dundalk Readiness Center, Dundalk, Md., Jan. 6, 2022. MDNG members participated in training hosted by the Maryland Department of Health on coaching self swab COVID-19 tests, patient registration, and proper usage of personal protective equipment. SHARE: Download: Full Size (6.14 MB) Tags: Coronavirus Credit: Air Force Staff Sgt. Sarah M. McClanahan, Maryland Air National Guard VIRIN: 220107-Z-UY654-1204.JPG Photo Gallery