China just tested the world's most powerful naval gun, and it will be combat-ready by 2025: US intel
January 30, 2019 at 11:57 AM EST
The weapon can strike a target 124 miles away at speeds of up to 1.6 miles per second, according to the people who have knowledge of the intelligence report. For perspective, a shot fired from Washington, D.C., could reach Philadelphia in under 90 seconds.