This SAE Aerospace Information Report (AIR) presents a review of the types and general characteristics of power sources that may be used to provide the power for gaseous or liquid fluidic control systems. Fluidic definitions, terminology, units and symbols are defined in Reference 2.1.1.The power systems described and the data contained herein apply to all types of aerospace vehicles including: aircraft, helicopters, missiles, space vehicles, remotely piloted vehicles, or in any other vehicles or applications to which aerospace technology applies.