Officials in the Trump administration told lawmakers during a closed‑door briefing on Capitol Hill that Iran’s Shahed attack drones present a significant challenge to U.S. air defenses, and that America likely will not be able to intercept all of them, according to sources familiar with the session. 

Defense Secretary Pete Hegseth and Joint Chiefs Chairman Gen. Dan Caine acknowledged that these low‑cost, one‑way Iranian drones fly “low and slow,” a flight profile that complicates radar tracking and interception compared with traditional ballistic missiles. Because of this, U.S. defenses may not reliably stop every Shahed drone in a large barrage, even as they continue efforts to protect bases and partners in the region. 

The remarks reflect a sober assessment from military leaders that Iran’s strategy of employing large numbers of inexpensive unmanned aerial vehicles creates an asymmetric advantage: Tehran can deploy cheap systems en masse that are harder and more costly for U.S. and allied anti‑air systems to neutralize. 

Officials reportedly tried to reassure lawmakers by noting that Gulf partner nations have stockpiled interceptor missiles and that the U.S. is actively targeting drone launch sites to mitigate the threat at its source. Nonetheless, the admission that not all drones can be intercepted shows the limits of current defense networks against Iran’s evolving tactics, and it has fueled debate in Congress over how best to counter the drone threat while sustaining broader strategic pressure on Tehran.