Defense Secretary Pete Hegseth announced that the Pentagon will no longer require flu vaccinations for service members, citing medical autonomy and religious freedom, and framing the previous mandate as 'absurd' overreach by the Biden administration. The military has mandated vaccinations for over 250 years—from Washington's 1777 smallpox requirement through today—and influenza alone killed nearly 45,000 US troops in World War I, highlighting the public health rationale behind historical vaccine policies. Hegseth's characterization omits this context and the fact that voluntary compliance rates for flu shots in militaries without mandates typically drop by 30-50%, potentially affecting force readiness during outbreak periods. The broader policy is part of the Trump administration's 'Make America Healthy Again' initiative, which has systematically rolled back federal vaccine requirements across multiple agencies since January 2025.