Test Site Trio Workers assist with operations at a COVID-19 testing site in Marquette County, Mich., June 13, 2020. The Michigan National Guard partnered with other state and local agencies to conduct testing at the site. SHARE: Download: Full Size (1.59 MB) Tags: national guard, Coronavirus Credit: Air National Guard Master Sgt. David Eichaker VIRIN: 200613-Z-LI010-035Y.JPG Photo Gallery