Cheap drones and expensive missiles mean there's no more 'safe rear areas' in wartime, top NATO general says

• Russia and Ukraine have made prolific use of cheap drones and pricier cruise and ballistic missiles.
• Those weapons allow both to strike much farther into areas previously considered safe from attack.
• The lesson is that in modern warfare, nearly everything is "targetable," a top NATO general says.

The war in Ukraine is the largest conventional conflict in Europe since the end of World War II.

As such, it is giving military leaders and defense analysts invaluable insights about modern warfare. One such insight has been how the proliferation of drones and long-range missiles is changing the battlefield.