Which of the following plays a role in crew selection for USCG missions?

Endurance plays a crucial role in crew selection for USCG missions because it directly impacts the crew's ability to perform effectively in challenging maritime environments. Missions often require long periods of sustained activity, particularly in adverse weather conditions or high-stress situations. A crew member with high endurance can better withstand physical and mental fatigue, which is essential for maintaining operational effectiveness throughout the duration of the mission.

While previous task completion, supervision, and response time are also important factors in a crew member's effectiveness, they do not specifically address the physical and psychological stamina required during prolonged operations. Endurance ensures that crew members can handle the demands of the mission without compromising safety or performance, making it a vital attribute in crew selection for the USCG.