Meanwhile, the 20mm Oerlikon still arms some naval units, nominally as a last-recourse anti-air weapon (somewhat akin to the Phalanx CIWS, albeit with nowhere near the impressive buzzsaw-like rate ...

The United States military’s Phalanx Close-in Weapon System (CIWS) was employed just a year ... The Gatling Gun-style weapon, which is based on the 20mm M61 Vulcan autocannon, can fire 20mm ...

The MK-15 Phalanx CIWS provides ships of the U.S. Navy with an inner layer point defense capability against Anti Ship Missiles, aircraft, and littoral warfare threats that have penetrated other ...