Abstract
ABSTRACTAny warship operating in a littoral environment is highly susceptible to attack from surface raider craft — the so called “Boghammer” threat. The NAVSEA close in gun system (CIGS) requirement stipulates a ten target scenario based on ONI analysis. The purpose of this paper is to discuss those sub‐elements of a gun‐based system that in combination will maximize performance by minimizing engagement time per threat. Modern gun and ammunition designs offer a new option for multipurpose self‐defense on all classes of combatant ships as well as an effective and economical solution to their inner layer defense requirements.The modern designs include: ▪ Medium caliber with high rates of fire, e.g.,1000 rounds per minute (RPM)▪ Extremely accurate fuse technologies combined with muzzle velocity measurement and correction calculations that permit densely delivered payloads.▪ Air bursting ammunition with high lethality from tailored sub‐projectile pay loads that is also impervious to ECM/decoys.▪ Extended engagement ranges from two to six km.A combination of all these features offers a lethality mechanism to defeat any threat by delivering a dense wall of steel between the ship and the threat target.Independently verified modeling has shown that these modern gun systems are able to engage ten targets with a maximum keepout‐range of 2600 m.
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