HM3 Mark Jackson corpsman insignia
3rd Battalion, 5th Marines / Fleet Marine Force Corpsman

Rank badgeMark Jackson

Callsign: Not assigned
Hospital Corpsman Third Class / E-4 · Fleet Marine Force Corpsman · Platoon Corpsman

Hospital Corpsman Third Class Mark Jackson is recorded as a Navy corpsman attached to 3rd Battalion, 5th Marines. His profile tracks field medical support, platoon-level casualty response, RSAT performance, and a developing green-side corpsman record.

Name

Mark Jackson

Call Sign

Not assigned

Current Rank / Grade

Hospital Corpsman Third Class / E-4

Service

United States Navy

Active Unit

3rd Battalion, 5th Marines

Current Rate

Fleet Marine Force Corpsman

ADMOS

No additional MOS recorded

Combat Deployments

No combat deployment recorded

Current Billet

Platoon Corpsman

Previous Billets Held

3/5 Infantry Battalion · medical attachment record pending billet expansion

Profile Summary

Jackson’s record centers on green-side medical support: maintaining platoon medical readiness, casualty assessment, buddy-aid and evacuation support, patrol preparation, and field treatment under small-unit conditions. His RSAT record shows strong navigation, patrol, aid, engineering, and aquatic scores supporting further reconnaissance-training consideration.

Badges

Qualification Badges

Fleet Marine Force corpsman badge

Fleet Marine Force Corpsman

Platoon corpsman attached to Marine ground-unit support lane

Rifle Sharpshooter

Rifle Sharpshooter qualification · 50 / 60

Awards

Decorations & Service Record

Mark Jackson ribbon stack
3/5 Darkhorse unit mark
Selection Record

Reconnaissance & Surveillance Selection Aptitude Test

SECOND RECONNAISSANCE BATTALION

On 3 May 2026, Hospital Corpsman Third Class Mark Jackson requested and was recommended to take the Reconnaissance & Surveillance Selection Aptitude Test (RSAT). The evaluation certified his readiness to continue training at the Basic Reconnaissance Course.

Total Score137 / 14097% · Approved
LANDNAV Oral Test10 / 10
LANDNAV Physical Test10 / 10
Recon Patrol Mission Brief10 / 10
Recon Patrol Reporting8 / 10
Combative Situation Oral10 / 10
Combative Situation Physical9 / 10
Individual First Aid Oral10 / 10
Buddy Aid / CASEVAC10 / 10
Convoy Resupply10 / 10
Engineering Exam10 / 10
Patrolling Oral Test10 / 10
Conduct A Foot Patrol10 / 10
Aquatics20 / 20

Required passing standard: 90% or higher. Hospital Corpsman Third Class Jackson was certified at 97% and approved to continue training at the Basic Reconnaissance Course.

INSTRUCTED BY:
SSgt Jake Bentley
Team Leader
2nd Reconnaissance Battalion
Force Reconnaissance Company
CERTIFIED BY:
1stLt Kane West
Platoon Commander
2nd Reconnaissance Battalion
Company E