Pentagon officials have briefed members of Congress on ongoing challenges faced by U.S. forces in defending against Iranian drone attacks across the Middle East, according to reports from closed-door sessions this week.

Military leaders reportedly told lawmakers that waves of Iranian-launched drones have been able to penetrate existing air defense systems, creating security concerns for American troops and military installations in the region.

The briefings come as conflicts involving Iranian-backed forces have intensified, with U.S. military personnel and allied forces encountering increased drone activity. These unmanned aerial vehicles are described as relatively inexpensive attack drones that can be deployed in coordinated swarms.

The Pentagon has not publicly detailed specific incidents or locations where these defensive challenges have occurred. Military officials have previously acknowledged the growing threat posed by drone warfare and the need to adapt defensive strategies to counter evolving tactics.

Iranian drone technology has become increasingly sophisticated in recent years, with these weapons systems being used by various proxy groups throughout the Middle East. The U.S. military continues to assess and upgrade its air defense capabilities to address these emerging threats.