politics
April 16, 2026
US artillery unit used entire stock of untested missiles in attack on Iran
The US military has drained its inventory of untested PrSM ballistic missiles, believed to be to blame for at least one civilian mass-casualty incident in Iran
TL;DR
- The US military depleted its entire stock of untested Precision Strike Missiles (PrSM) during the initial phase of the attack on Iran.
- The PrSM missiles, developed by Lockheed Martin, are intended to replace the aging ATACMS and had completed their prototype phase last year.
- Media reports suggest the new missiles may have been responsible for a mass-casualty incident in Lamerd, Iran, killing 21 people.
- A US Army official stated that no further testing of PrSM is needed after its use in the conflict.
- The Pentagon denies involvement in the Lamerd incident, suggesting an Iranian cruise missile was used, a claim disputed by some experts and media.
- The exact number of PrSM missiles delivered to the military remains unclear, despite Pentagon orders.
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