What incident was associated with task saturation and loss of situational awareness?

The incident associated with task saturation and loss of situational awareness is the C-5 Diego Garcia Stall Incident. This particular event highlights how the demands placed on pilots during critical phases of flight can lead to an overwhelming number of tasks that need to be managed simultaneously. In the case of the C-5, the pilot's inability to effectively prioritize and manage these tasks contributed to a stall condition. Such incidents serve as vital lessons in aviation, emphasizing the importance of maintaining situational awareness and workload management during flight operations.

The other options, while they may involve various issues, do not specifically highlight task saturation and situational awareness concerns to the extent seen in the C-5 Diego Garcia Stall Incident. Each of these incidents might have their own causes and contributing factors, but the C-5's scenario specifically illustrates the critical nature of managing cognitive load and maintaining awareness in complex environments.