Testing Continues Marine Corps Cpl. Joel Guzmán administers a COVID-19 test in the municipal tracing office in Arroyo, 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 residents. SHARE IMAGE: Download Image: Full Size (0.14 MB) Tags: coronavirus Photo By: Army Sgt. Jose Ferrer Robles, Army National Guard VIRIN: 220401-Z-SJ606-1003.JPG Photo Gallery