# CSIS
Latest news and articles about CSIS
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Pentagon’s Early Tab Tops $11.3bn as Mideast Campaign Slips Toward a Costly Quagmire
U.S. military operations against Iran have cost more than $11.3 billion in the first six days, with munitions expenditure of about $5.6 billion in the opening 48 hours. The Pentagon’s tally omits pre-deployment and sustainment costs, meaning the full financial and strategic burden is likely to rise and weigh on U.S. politics and the defense industrial base.

How Iran’s Missile and Drone Arsenal Has Remade Its Military Standing
Iran has become a top‑20 military power not by fielding a modern air force or blue‑water navy but by investing heavily in long‑range missiles, drones and asymmetric tactics. These capabilities give Tehran a resilient, regionally disruptive deterrent, even as sanctions and aging conventional platforms limit its ability to wage high‑intensity conventional campaigns.