arlingtoncemetery.net

oR9Kr TIL about Jimmy Robinson, a US Air Force Piloted that died (marked MIA officially) after damage sustained flying through the mushroom cloud of Ivy Mike, the first thermonuclear bomb detonation. The flight was to gather information regarding the composition of the cloud, his body was never found.
6E6PX TIL Corporal Frank Buckles was the the last surviving American soldier from WWI, passing away in 2011 at age 110. When he was asked his secret for living so long, his advice was simply "when you start to die... don't".
WkpZN TIL about Richard L. McKinley, who died in a nuclear plant accident. His body ended so contaminated that had to be buried in a lead-lined casket which was then sealed in concrete and placed in a metal vault and cannot be moved from its location without the approval of the Atomic Energy Commission.