Final answer:
An illuminated green indicator light on the Kovatch-Volvo R-11's pump control panel usually signifies normal operation or readiness of a system, such as the pump being ready to dispense fuel.
Step-by-step explanation:
The Kovatch-Volvo R-11 is a refueling vehicle commonly used by the military to transport and dispense fuel to various vehicles and aircraft. On the pump control panel of the R-11, an illuminated green indicator light typically signifies that a specific function or system is operating normally or is ready for use. For instance, if this green light is associated with the pump system, it could indicate that the pump is engaged and ready to dispense fuel. Typically, green lights on control panels are used as a go or status-ok signal in various types of machinery and vehicle operations.