Which document is typically maintained in the user file of the Air Force Training Record (AFTR)?

The correct choice is the current National Registry of Emergency Medical Technicians (NREMT) card. This document is essential for verifying the qualifications and competencies of aerospace medical service specialists, who must maintain certification as part of their professional requirements.

Keeping the NREMT card in the user file of the Air Force Training Record (AFTR) reflects the individual's ongoing commitment to meeting the standards set by both the Air Force and the NREMT. This certification not only evidences the individual's training but also ensures they are up-to-date with the latest practices and protocols in emergency medical response, which is critical for their role in providing medical care.

The other documents mentioned, while important in various contexts, do not serve the same specific function in relation to maintaining certification and ensuring operational readiness in emergency medical services. Therefore, only the NREMT card is appropriately placed in the user file of the AFTR to indicate current qualifications.