Screening Travelers Soldiers and airmen with the Puerto Rico National Guard verify travelers' paperwork before leaving the airport at Carolina, Puerto Rico, Sept. 24, 2021. The Puerto Rico National Guard is supporting Puerto Rico health authorities by ensuring people fill out a travel declaration and are vaccinated for COVID-19 or have been tested. SHARE IMAGE: Download Image: Full Size (0.31 MB) Tags: coronavirus Photo By: Army Spc. Hassani Ribera VIRIN: 210924-A-HG489-0001.JPG Photo Gallery