Air Force Flu Outbreak Sickens 160 Trainees: A flu outbreak has sickened about 160 Air Force trainees at Joint Base San Antonio-Lackland in Texas, coming weeks after War Secretary Pete Hegseth ended the military's longtime requirement that service members receive annual influenza vaccinations. "The 37th Training Wing... #AirForce #FluOutbreak #Trainees #Vaccination #HealthNews