
When President Joe Biden on Tuesday visits a Lockheed Martin plant that manufactures an antitank weapons system, he’s certain to herald the U.S.-made arms as a gamechanger for Ukraine’s stiff resistance to Russia's invasion.
But Biden’s planned visit to the Alabama factory line is also drawing attention to a growing concern as the war drags on: Can the U.S. sustain the cadence in shipping vast amounts of arms to Ukraine while maintaining a healthy stockpile it may need if conflict erupts with North Korea, Iran or elsewhere?