You aren’t making any sense, but go ahead and tell us why the military can build things and has military hospitals, something that we all know, but perhaps don’t know the origins and history of
See above. Or, to save you the work, the military can build things and run hospitals to support their mission of killing our enemies and destroying enemy infrastructure. Sometimes our own people get injured doing this, so we need to have military hospitals. Sometimes when we destroy enemy infrastructure we have to be able to build what we need to support our own mission, etc. That is why.