Oxygen Replacement Navy Lt. Cmdr. Leonard Aranas, a critical care nurse with the Navy Medicine Readiness and Training Command Bethesda in Maryland, replaces an oxygen tank for a COVID-19 patient at Ochsner Lafayette General Medical Center during the COVID-19 response operations in Lafayette, La., Aug. 26, 2021. SHARE: Download: Full Size (0.91 MB) Tags: Navy, Coronavirus Credit: Navy Petty Officer 2nd Class Michael H. Lehman VIRIN: 210826-N-PC620-0047.JPG Photo Gallery