The U.S. military fires missiles worth more than $1 million to shoot down drones that cost Iran $20-50 thousand to mass produce.

That math favors Iran.

But it’s not easy to get the massive US military to be nimble – and there are powerful forces that work to keep costs high for new weapons systems that are usually years in the making.

https://theconversation.com/why-the-us-military-is-stuck-using-1-million-missiles-against-irans-20-000-drones-281089