Gurkha word itself derived from "Go-Raksha" (), "raksha" becoming "rakha" (रखा). "Rakhawala" means "protector" and is derived from "raksha" as well. There are Gurkha military units in the Nepalese, British and Indian armies enlisted in Nepal, United Kingdom and India. Although they meet many of the requirements of Article 47 of Protocol I of the Geneva Conventions regarding mercenaries, they are exempt under clauses similarly to the French Foreign Legion. Gurkhas are closely associated with the khukuri, a forward-curving Nepali knife, and have a reputation for fearless military prowess. Former Indian Army Chief of Staff Field Marshal Sam Manekshaw once stated
Combat knife a trench knife, the "combat knife" was used by both sides on the Western front during World War I. Since then, combat knives have been issued by the armies of many nations. Though they differ in detail, they all share the common characteristic of being purposely designed for military use, with their primary role as a close-quarters combat weapon. During World War II, the British Fairbairn-Sykes fighting knife was designed by William E. Fairbairn and Eric A. Sykes, two former members of the Shanghai Municipal Police who trained many soldiers in close-quarters fighting. The Fairbairn-Sykes knife inspired several similar knives