Live Fire Test : Approximately 4500-5000 freedoms per minute.
Footage shows loading the Phalanx Close In Weapons System (CIWS) “seewiz” and test firing from three different U.S. Navy ships – USS Underwood (FFG-36), USS Nimitz (CVN-68), and USS Antietam (CG-54). The CIWS is a radar guided 20 mm M61 Vulcan Gatling gun autocannon used primarily for defence against anti-ship missiles. It is installed on all U.S. Navy surface combatant ships, and is capable of locking onto incoming missiles and firing 4,500 rounds per minute.
Film Credits: PO3 Samuel Souvannason, SN David Flewellyn