The war in Iran is cannibalising forces in Asia—while eroding the readiness of units that might be needed there in the years to come https://www.economist.com/briefing/2026/03/18/the-iran-war-could-sap-american-military-power-for-years?taid=69bc4307227d84000121b764&utm_campaign=trueanthem&utm_medium=social&utm_source=voante