Senior Army officials told lawmakers this week that the drone heavy fighting seen in Ukraine, combined with rising tensions tied to Iran, is forcing a rethink of how American ground forces are equipped and trained for future conflicts.

Testifying before a Senate panel, Army leaders described cheap, mass produced drones as one of the most significant battlefield developments in a generation, capable of finding and destroying expensive armored vehicles at a fraction of their cost. Officials said the war in Ukraine has offered the clearest real world look yet at how drones are changing tactics on both offense and defense.

Defense Secretary Pete Hegseth has pushed the services to move faster on adopting drone technology and countermeasures, arguing that potential adversaries, including Iran and the groups it backs, have already shown a willingness to use inexpensive drones to offset more advanced American weaponry. Army officials said they are working to field more drones of their own while also building up systems that can detect and disable enemy drones before they reach their targets.

Lawmakers on the committee pressed officials on how quickly new drone and counter drone systems could reach troops in the field, noting that the pace of acquisition has often lagged behind the pace of innovation seen in Ukraine. Officials acknowledged the gap and said they are working to shorten testing and procurement timelines.

No new funding announcements accompanied the testimony, though officials said they expect drone and counter drone programs to remain a priority in upcoming budget requests.