https://web.archive.org/web/20210926002851/https://whiskeytangotexas.com/2021/09/25/army-flight-surgeon-whistleblower-all-vaxed-pilots-should-be-grounded-immediately-after-3-pulmonary-embolisms-within-48-hours-of-vaccination-pose-high-risk-of-cardiac-arrest-in-flight/