What Does SPNSN Stand For?

SPNSN stands for Sponson

SPNSN, short for "Sponson," refers to a projecting structure on a vessel or vehicle, typically designed to enhance stability, buoyancy, or to provide additional space for equipment. Commonly found in military and naval applications, sponsons can also serve as mounting points for weapons, sensors, or other operational gear, thereby improving the overall functionality and versatility of the platform.