the vaccine produces fatigue, as does the virus. Sometimes long fatigue.".. What does the COVID vaccine do to those in the military? According to a former Navy SEAL training commander, it can literally cause seamen to drop out of training due to fatigue... Capt. Brad Geary talked about the damage Joe Biden’s military vaccine mandate wrought upon the Armed Forces, including a lack of readiness for those who have to do significant physical exertion... February 2022, a Navy SEAL trainee under Geary’s command, Kyle Mullen, died during the notorious “hell week” — another name for Basic Underwater Demolition/SEAL, or BUD/S,...