What is the holding speed at which military aircraft maintain their patterns?

The holding speed at which military aircraft typically maintain their patterns is 230 KIAS (Knots Indicated Airspeed). This speed is chosen because it provides a balance between efficiency and safety while allowing for effective navigation, control, and communication during holding patterns. It enables the aircraft to maintain a steady and consistent speed, which is crucial for coordinating with air traffic control and other aircraft in the area, especially in busy airspace. Additionally, 230 KIAS helps to manage the aircraft's performance characteristics and fuel consumption efficiently during prolonged holding scenarios.

Other speeds listed in the options, while relevant for different kinds of operations or aircraft, do not represent the standard holding speed used in military operations, which seeks to optimize both strategic maneuverability and safety.