Machines are increasingly replacing humans on the front line, but troops are still vital for defending territory.
Related stories
'Pragmatic international relations: Sánchez seeks to avoid 'further conflict with Rabat'
No shelter or water, yet Lebanese return home, defying Israel.
Two trapped hydropower workers rescued from mud-clogged tunnel in Nepal
2 trapped workers rescued alive from a tunnel in Nepal, officials say
Cambodians displaced by border conflict start over, but most want to go home
President Javier Milei says ‘winds of change’ support Argentina’s claim to Falkland Islands