# Type 004

After 15 Years, the Kennedy’s Sea Trials Highlight a Growing U.S.–China Carrier Gap

The John F. Kennedy began sea trials in January 2026 after a 15‑year build that highlights persistent technical and industrial challenges in the U.S. Ford‑class programme, notably the unreliable EMALS catapult. China’s carrier programme, which reportedly started construction of a Type 004 nuclear carrier in 2026, is advancing more rapidly, raising questions about future balance of naval power in the Indo‑Pacific.