Now that the war is being fought I thought that this report adds something interesting to this debate: Non-citizen war casualties
"Gutierrez, an orphan who grew up on the streets of war torn Guatemala, found a new life in the United States. His foster brother, Max Mosquera, said Gutierrez joined the Marines “to pay back a little of what he’d gotten from the U.S.”
Garibay, who came to the United States when he was a baby, often visited his former high school, proudly dressed in full uniform.
Both men were granted posthumous citizenship this week."