What does the term "exfill" mean in an air assault operation?

The term "exfill" in an air assault operation specifically refers to the extraction of forces from a location. This operation is crucial in scenarios where troops need to be safely and effectively removed from a potentially dangerous or compromised area after completing their mission objectives. The extraction may involve various means, including the use of helicopters, to ensure the rapid and secure withdrawal of personnel.

Understanding the context of exfiltration is essential in operational planning, where timing, location, and the condition of the forces involved are critical to the success of the mission. Ensuring that all elements, including support and security, are in place for exfiltration can significantly impact the efficiency and safety of the operation.