The treasure hunting group, based in Birmingham, later discovered it belonged to the Royal Navy Signals and dated ... pulled a centuries-old cannon from along the same stretch of river.

discovering what could be centuries-old cannons taken from Swedish vessels as trophies following the Russian Navy’s first artillery victory back in 1719, researchers from the Institute of ...

as the Navy unveiled a solid-state laser cannon that can disable or destroy surveillance drones and small, rapidly moving gunships. Laser cannons may still seem like something out of science ...