The Mk 38 Machine Gun System is a stabilized, remotely operated naval weapon station mounting the 25×137 mm M242 Bushmaster chain-driven autocannon. It integrates electro-optical/infrared sensors, laser rangefinder, and digital fire-control. Gyroscopic stabilization enables accurate firing on moving ships, with selectable 100–200 rpm and programmable surface-target ammunition capability. | Military Mechanics

The guided-missile destroyer USS Sterett fires its Mark 38 25mm machine gun during a live-fire exercise. The MK-38 is a 25-mm machine gun installed for ship self-defense to counter High Speed Maneuvering Surface Targets (HSMST). Read more https://wp.me/p3avY4-dC7 | Military Leak

Fire away 💥 USS Sterett (DDG 104) fires its Mark 38 25mm machine gun during a live-fire exercise on the IndianOcean. Sterett is part of the Nimitz Carrier Strike Group and is deployed to U.S. Naval Forces Central Command / U.S. 5th Fleet to help ensure maritime stability and security in the region. | U.S. Navy