Combat service support

This article needs attention from an expert in Military History. The specific problem is: Properly detailing the evolution of service support organizations and their current status in the context of history as well as accurately describing current policies. WikiProject Military History may be able to help recruit an expert. (October 2016)

The term combat service support (or CSS) is utilized by numerous military organizations throughout the world to describe entities that provide direct and indirect sustainment services to the groups that engage (or are potentially to be engaged) in combat.