Are You a Corpsman or Medical Professional in the Marine Corps Reserve? You Now Have Mandatory TBI Training Deadlines.

HQMC just published new training requirements for health services support personnel.

If you touch patient care in any capacity, this applies to you.

Two online courses. Hard deadlines. Tracked in MCTIMS.

Reference: MARADMIN 223/26, signed 14 May 2026. Implements BUMED Instruction 6310.16 TBI training requirements for Marine Corps health services support personnel under Budget Submitting Office-27 (BSO-27).

The old problem

TBI training requirements existed across the military health system.

But for Marine Corps health services support personnel, compliance was inconsistent.

There was no clear Marine-specific mandate with enforced timelines and a designated tracking system.

Blast overpressure injuries are now front and center as an operational hazard. The Corps needs every medical professional who might see a TBI patient to actually know how to assess one.

The new rule in one line

All BSO-27 health services support personnel who provide patient care must complete two specific TBI courses through Joint Knowledge Online, tracked in MCTIMS, and renewed every three years.

Who this applies to

"BSO-27 HSS personnel" is the formal term.

In plain English: this covers Marine Corps medical and dental officers, enlisted medical personnel (Corpsmen, dental techs, medical admin), and civilian health services staff who evaluate, treat, or assist anyone presenting with a traumatic brain injury.

If you might see a TBI patient, you are in scope.

This includes Reserve component medical personnel assigned to BSO-27 commands.

The two required courses

Both are free. Both are on Joint Knowledge Online at jkodirect.jten.mil.

1. DHA-US1117: MACE 2 Training How to administer the Military Acute Concussion Evaluation, version 2. Covers both deployed and non-deployed settings. Required for all patient care personnel.

2. DHA-US1116: Concussion Training for Medical Personnel A broader overview of concussion identification and clinical management. Required for all patient care personnel.

(Yes, both. Not one or the other.)

The recommended course (not required, but worth it)

DHA-US1114: Concussion Training for Service Members

This one is aimed at any service member, not just medical personnel. One-time completion. Covers how to protect warfighter brain health.

Commanders may want to push this to leaders and non-medical staff as well.

The deadlines

This is where Reserve Marines need to pay close attention.

The clock is running from the day this MARADMIN dropped: 14 May 2026.

If you are currently assigned and have not done these courses (or completed them more than three years ago):

Complete both required courses within 90 days of 14 May 2026.

That puts your deadline around 12 August 2026.

If you are newly checking in to a BSO-27 command:

Complete both required courses within 90 days of your check-in date.

Refresher cycle:

Both courses must be repeated every three years.

Not once and done.

What happens after you complete the courses

Save your completion certificates. Print them or screenshot them.
Submit the certificates to your command training officer.
The training officer logs completion in MCTIMS.
Your unit monitors and reports compliance through MCTIMS.

Your responsibility does not end when you finish the course. The certificate has to make it into the system.

Why this is a big deal

TBI from blast overpressure is not a future problem. It is a now problem.

The Corps has been collecting data on blast exposure for years. The quality of that data depends entirely on whether the medical personnel who see these injuries know how to diagnose them correctly and document them accurately.

Every proper diagnosis is a data point. Every missed or misdocumented case is a gap in the record.

For Reserve medical personnel, the practical stakes are direct. You may deploy or be mobilized and find yourself assessing blast-exposed Marines. If you have not used MACE 2, the assessment you do under pressure may be unreliable.

This training closes that gap before the situation demands it.

A smaller note for active-duty Marines

Active-duty BSO-27 health services support personnel are equally covered by this MARADMIN. The same two courses, the same 90-day initial deadline, and the same three-year refresh cycle apply. If you are a unit surgeon, medical battalion CO, or command training officer, you are responsible for ensuring your personnel complete and document training in MCTIMS.

The bottom line

If you are a Reserve Marine working in health services support for a BSO-27 command, you have two mandatory online TBI courses to complete.

Deadline is approximately 12 August 2026 if you are currently assigned and not current on training.

Save your certificates. Get them to your training officer. Make sure MCTIMS reflects completion.

What to do with this

If you are an HSS Reserve Marine (Corpsman, medical officer, dental tech, etc.):

✦ Log into jkodirect.jten.mil and search for DHA-US1117 and DHA-US1116. ✦ Complete both courses before 12 August 2026. ✦ Save your completion certificates. ✦ Deliver them to your command training officer and confirm they are entered in MCTIMS. ✦ Set a calendar reminder to repeat both courses in three years.

If you are a Reserve unit commander, surgeon, or S-3/training officer:

✦ Identify all BSO-27 HSS personnel in your unit who are in scope. ✦ Confirm whether they are current on these courses (completed within the last three years). ✦ Track completion and document in MCTIMS. ✦ Brief the 90-day deadline at your next drill weekend.

If you are not sure whether you are covered:

Contact your unit S-1 or medical department and ask whether your billet falls under BSO-27 health services support. Do not assume you are out of scope.

Questions on implementation:

HQMC Health Services: 703-697-0424 or HQMC_MEDICAL@USMC.MIL

This is written by a reservist, for reservists. It is not an official publication of HQMC or MARFORRES. Always verify guidance with your command or unit S-1 before acting on any article or summary.

Need a shorter version for a drill brief or a longer breakdown of the MACE 2 assessment tool itself? Both are available on request.

TRAUMATIC BRAIN INJURY TRAINING REQUIREMENTS FOR HEALTH SERVICES SUPPORT PERSONNEL