Camouflage was actually developed by the French in 1915. They had a unit called the "Camouflage Division". Now the whole world uses camouflage for their BDU's.
Camouflage is a popular color when referring to military-related clothes. Camoflauge even comes in a wide variety of colors, all designed to meld with scenery; different camo-patterns are designed for different backgrounds and scenes.
2. A method of cryptic or concealing coloration that allows an otherwise visible organism or object to remain indiscernible from the surrounding environment through deception.
3. To change or modify so as to prevent recognition of the true identity or character of.
Often, of a chocolate chip like pattern, it is designed to provide cover in a desert environment. It should work best against a sandy or rocky background.