Project Orion envisioned a giant nuclear pulse spacecraft built not just for exploration, but for military dominance across the solar system. Backed by the US Air Force and built around atomic ...

The Navy secretary, John Phelan, was supposed to deliver the first of the president’s ships by 2028. The timeline was nearly impossible. By Greg Jaffe and Helene Cooper Reporting from Washington ...

KURE, Hiroshima Prefecture—The Yamato Museum reopened here on April 23 following year-long renovations to bring the behemoth World War II battleship closer to real life based on the latest research.

WASHINGTON — President Donald Trump wanted one thing, more than anything else, from his secretary of the Navy, John Phelan: a new class of battleships. “They’ll be the fastest, the biggest and by far ...