S-3 Operations
S-3 Operations for the Headquarters and Service Battalion

Mission Statement

Support the Joint Base Myer-Henderson Hall ATFP Plan. Plan, schedule, and coordinate Marine Corps annual training and PME for Headquarters and Service Battalion Personnel. In conjunction with Director, Marine Corps Staff, arrange for support of special events requiring Marines.

UPDATE 18 October 2022




Henderson Hall S-3 will conduct a CFT on the following days. All CFTs will be conducted at the Joint Base Myer – Henderson Hall

0700 October 21st & 28th

0800 November 16th & 17th, 22nd

0800 December 2nd, 9th, 16th, 19th, 20th & 21st

For specifics on locations and more training information, please click here. If you have any questions or concerns, contact the S-3.


Walk-in’s are welcomed for height and weight. Per MCO 6110.3W,  Ch 1, para 3.F.3 “Uniform. The only authorized uniform for the weigh-in and BCE (if necessary) is the Marine Corps approved green-on-green T-shirt, shorts and socks. No other uniform or clothing garment is permitted.”

Please bring your green on green with you.  NO EXCEPTIONS!


Command Physical Training Representative (CPTR)/Monitor Briefs

Command Physical Training Representative (CPTR)/Monitor Briefs are held on the 2nd Tuesday of each month.




****Forthcoming Changes to the Physical Fitness Test (PFT): MARADMIN 404/21

· Starting 1 January 2022, time required to achieve the maximum points on the plank will be 3 minutes and 45 seconds. The time required to achieve the minimum points on the plank will be 1 minute and 10 seconds.

· Effective 1 January 2023, the plank will replace the abdominal crunch for the PFT.

· There is one scoring table for both male and female Marines.

· MCO 6100.13A W/CH 3 will be revised to reflect this change.

· DVIDS - Video - PFT Plank Instructional video (


S-3 Training/Operations Office

Deputy Operations Officer/ LIMDU Coordinator/
AT Officer


Operations Chief


Operations Office


Section E-Mail:


Green Flag(Green Flag): Heavy exercises, for activities of unacclimatized personnel will be conducted with caution and under constant supervision.
Yellow Flag(Yellow Flag):
Strenuous exercises, such as marching at standard cadence, will be suspended for unacclimatized troops in their first 2 or 3 weeks.  Outdoor classes in the sun are to be avoided.
Red Flag(Red Flag):
All physical training will be halted for those troops who have not become thoroughly acclimatized by at least 12 weeks of living and working in the area.  Those troops who are thoroughly acclimatized may carry on limited activity not to exceed 6 hours per day.
Black Flag(Black Flag):
All strenuous non-essential outdoor physical activity will be halted for all units. Essential activities are defined as those activities associated with scheduled exercises or other major training evolutions where the disruption would cause undue burden on personnel or resources, be excessively expensive, or significantly reduce a unit's combat readiness. Essential outdoor physical activity will be conducted at a level that is commensurate with personnel acclimatization as determined by the unit's commanding officer in coordination with the unit's medical officer or medical personnel. All efforts should be made to reschedule activities during cooler periods of the day.


Headquarters Marine Corps