New studies suggest that despite advanced technology, the U.S. military faces critical vulnerabilities in logistical support and supply chain stability necessary to sustain a potential conflict with China.

The United States can launch stealth bombers across continents, track missiles from space and deploy forces anywhere on the planet. But as the nation approaches its 250th birthday next month, studies suggest a more basic question demands attention in Washington: can the military reliably fuel, sustain and connect those forces in a crisis? From the skies to orbit, two new reports point to vulnerabilities in critical pillars of US power projection at a time of intensifying strategic competition...