Combat knife for battlefield use by US troops, with approximately 1,058 knives additionally subcontracted to Northampton Cutlery Company in Springfield, Massachusetts to meet wartime demand. In the 1950s Randall would adopt the general pattern of the Bowie knife for several of his fighting knife designs. The majority of military forces today have largely standardized the types of combat knife issued to soldiers. The Chilean Commando forces, for instance, are trained in the use of the Corvo, a traditional Chilean military weapon. The Gurkha regiments favor the Kukri, a broad-bladed, curved general-purpose cutting tool and weapon that more closely resembles a machete or
Knife sharpening one source for honing stones, which are traditionally used with water or honing oil. India is another traditional source for stones. Ceramic hones are also common, especially for fine grit size. Japanese water stones (both artificial and natural) come in very fine grits. Before use, they are soaked in water, then flushed with water occasionally to expose new stone material to the knife blade. The mixture of water and abraded stone and knife material is known as slurry, which can assist with the polishing of the knife edge and help sharpen the blade. Generally, these are more costly than oilstones.