The US Army hasn't faced serious threats from above in years. The war in Ukraine is forcing a rethink.

Fuente: Business Insider

Ukraine shows the US it may not be guaranteed control of the air in a future war, and soldiers will have to be far more suspicious of what's flying above them. Spc. Richard CarlisiUkraine's fight is showing the US Army that soldiers need to fear what they haven't in a long time.