Personnel authorized to perform JFO duties must be?

The correct response is that personnel authorized to perform Joint Fire Observers (JFO) duties must meet multiple criteria that are all essential for ensuring they are properly trained and qualified for the responsibilities they will undertake in a fire support role.

First, being a graduate of a primary duty skill identifier and additional Additional Skill Identifier (ASI) producing school signifies that the individual has undergone proper training tailored to their specific military occupational specialty, which is crucial for understanding the technical aspects of their duties.

Second, designation in writing by the first O-4 in the unit chain of command reflects the need for formal approval and oversight within the military hierarchy. This ensures that only individuals deemed competent and ready by their leaders are authorized to execute JFO duties, which is vital for maintaining operational effectiveness and safety.

Lastly, maintenance of qualification as outlined in ATP 3-09.30 and the JFO Memorandum of Agreement (MOA) ensures that personnel stay current with the latest protocols, standards, and changes within fire support operations. This ongoing qualification is critical due to the evolving nature of military tactics and technology.

By encompassing all these factors, the option reflecting that all are required captures the comprehensive standards that personnel must meet to be qualified as JFOs, which is