Select an unmanned system that is no longer used or is considered obsolete by current standards and address the following:

• Detail what made this unmanned system successful during its prime operational usage.
• What operations were this unmanned system used for conducting?
• What subsystems, payloads, sensors, and other components were used?
• Why was this unmanned system retired or replaced?
• Was it due to design limitations, functional limitations, or some other limitation?