WASHINGTON – Ukraine did not set out to become a case study for American defense reform. But as Kyiv adapts on the battlefield faster than most militaries thought possible, the war is increasingly being treated in Washington as a live-fire preview of how future conflicts will be fought – and what the US defense system may no longer be able to afford. Speaking Wednesday at the Atlantic Council on the 2026 National Defense Authorization Act (NDAA), Rep. Rob Wittman (R-VA), vice chair of the House