IV Flush Navy Lt. j.g. Leah Hammaker flushes a patient’s intravenous line at Billings Clinic Hospital in Billings, Mont., Nov. 22, 2021. SHARE IMAGE: Download Image: Full Size (1.38 MB) Tags: Army, coronavirus, covid19vaccine Photo By: Army Sgt. Andre Taylor VIRIN: 211122-A-PE084-004W.JPG Photo Gallery