https://bestlifeonline.com/crazy-army-facts/
https://www.factretriever.com/us-military-facts
https://www.factinate.com/things/44-facts-us-armed-forces/
https://www.uso.org/stories/1546-33-military-facts-that-may-surprise-you
https://worldpopulationreview.com/states
https://www.worldometers.info/world-population/population-by-country/
https://en.wikipedia.org/wiki/Conscription_in_the_United_States
https://en.wikipedia.org/wiki/Elvis_Presley#1958%E2%80%931960:_Military_service_and_mother's_death
https://en.wikipedia.org/wiki/North_Atlantic_Treaty#Article_5
https://en.wikipedia.org/wiki/Five-star_rank#United_States
https://en.wikipedia.org/wiki/3rd_U.S._Infantry_Regiment_(The_Old_Guard)
https://en.wikipedia.org/wiki/DARPA