Appointment Check Army Pfc. Aracely Quintana confirms a patient's vaccination appointment at California State University Los Angeles, Feb. 20, 2021. Quintana is a combat engineer assigned to Headquarters and Headquarters Company, 299th Brigade Engineer Battalion, 1st Stryker Brigade Combat Team, 4th Infantry Division. SHARE: Download: Full Size (3.37 MB) Tags: Coronavirus, covid19vaccine Credit: Army Capt. Daniel Parker VIRIN: 210220-A-UQ561-8560.JPG Photo Gallery