Categories Articles One-Third of U.S. Troops Opted Out of the COVID-19 Vaccine. Here’s Why That Is Dangerous for National Security Post author By crystalg Post date April 5, 2021 TIME Tags COVID19, Dangerous, Here's, National, OneThird, Opted, Security, Troops', U.S., Vaccine ← 5,700-year-old chewing gum still contains human DNA from prehistoric woman → This Nintendo Switch is so big you can actually read the text in Skyrim