COVID Testing Army Staff Sgt. Edward Silvestrini, assigned to the Puerto Rico State Guard, receives a COVID-19 test before starting his shift at a municipal tracing office in Patillas, Puerto Rico, March 31, 2022. The Puerto Rico National Guard conducted rapid COVID-19 tests as part of Operation Stay Safe to monitor the health of Puerto Rico’s residents. SHARE: Download: Full Size (5.75 MB) Tags: national guard, coronavirus Credit: Army Sgt. Jose Ferrer Robles, Puerto Rico Army National Guard VIRIN: 220331-Z-SJ606-1006.JPG Photo Gallery