US Army secretary: 5 lessons from the Ukraine conflict - Breaking Defense

Russia’s unprovoked invasion of Ukraine has provided US Army leaders several lessons in the future of warfare, from how to command troops to safeguarding soldiers against drones and insecure communications, according to the service’s top civilian.
“We are very much looking every single day in real-time at what’s happening in Ukraine, what we’re seeing with the Russian military and trying to glean as many lessons learned as we can for what we think that means for the Army in the future,” Wormuth said.