Preparing a Vaccine Navy Petty Officer 2nd Class Gregzon Fontanilla, who hails from Guam, prepares a COVID-19 vaccine aboard amphibious assault carrier USS Tripoli in the Pacific Ocean, May 10, 2022. The Tripoli is conducting routine operations in the U.S. 3rd Fleet. SHARE: Download: Full Size (0.49 MB) Tags: Health, Navy, Coronavirus, covid19vaccine Credit: Navy Petty Officer 2nd Class Malcolm Kelley VIRIN: 220510-N-VJ326-1079A.JPG Photo Gallery