Maj. Jerry O. Buenaseda, 433rd Aerospace Medicine Squadron clinical nurse, injects an influenza vaccination into the arm of Chief Master Sgt. Vishal M. Rose, 74th Aerial Port Squadron superintendent of operations Nov. 17, 2018 at Joint Base San Antonio-Lackland, Texas. (U.S. Air Force photo by Tech. Sgt. Carlos J. Treviño)