Master Sgt. Jeanett Vielman, a 433rd Aeromedical Staging Squadron lead medical technician, delivers the influenza vaccination to Tech. Sgt. Randy Warner, a 433rd Force Support Squadron Communication Flight training manager, on Oct. 03, 2015 at Joint Base San Antonio-Lackland, Texas. The 433rd Medical Group medics also passed out complimentary hand sanitizer and reminded wing members about hygiene as the nation enters the flu season. (U.S. Air Force Photo/Tech. Sgt. Carlos J. Trevino/Released)