Employment applicants for civil service mariner (CIVMAR) jobs with Military Sealift Command must have a U.S. Coast Guard issued merchant mariner’s credential. Download the MMC application and general information packages or contact a recruiter for more information.

Military time/sea service can be used to qualify for advanced merchant mariner’s ratings. Download or use the chart below to assess the merchant mariner’s equivalent to your military service:

  UNITED STATES ARMY  
UNITED STATES MILITARY SERVICE
POSSIBLE USCG MMC ENDORSEMENT NEEDED
POSSIBLE MSC JOB
Culinary
92 G Culinary E6 & above
Entry
Entry – OS Wiper SU, Steward Cook, Chief Steward
92 G Culinary E3 to E6
Entry
Entry – OS Wiper SU, Assistant Cook, 2nd Cook, Cook Baker, Chief Cook
Medical
18D Medical
Entry, Staff Officer
Entry – OS Wiper SU, Medical Services Officer
Communications
25 U Signal Corp
Entry
Entry – OS Wiper SU, Radio Electronics Technician 2
25 B
Entry
Radio Electronics Technician 2, 1, Chief Radio Electronics Technician
Deck Department
88k Watercraft Operator
Entry, AB, 3rd Mate
Entry – OS Wiper SU, AB, 3rd Mate
Engine Department
88L Watercraft Engineer
Entry, Jr Engineer, QMEDs, 3rd A/E
Entry – OS Wiper SU, Jr Engineer, 3rd A/E
Supply Department
92A Logistics, E6 & above
Entry
Entry – OS Wiper SU, Yeoman Storekeeper, Jr Supply Officer
92A Logistics, E5
Entry
Entry – OS Wiper SU, Yeoman Storekeeper
92A Logistics, E4
Entry
Entry – OS Wiper SU, Assistant Storekeeper
92A Logistic E3 & below
Entry
Entry – OS Wiper SU
All other MOS’
Entry
Entry – OS Wiper SU
  UNITED STATES AIR FORCE  
UNITED STATES MILITARY SERVICE
POSSIBLE USCG MMC ENDORSEMENT NEEDED
POSSIBLE MSC JOB
Medical
Air Force IDMT MOS 4NOX E6 & above
Entry, Staff Officer
Entry – OS Wiper SU, Medical Services Officer
All other MOS’
Entry
Entry – OS Wiper SU
  UNITED STATES MARINE CORPS  
UNITED STATES MILITARY SERVICE
POSSIBLE USCG MMC ENDORSEMENT NEEDED
POSSIBLE MSC JOB
Culinary
3302 Food Service Officer
Entry
Entry – OS Wiper SU, Steward Cook, Chief Steward, Jr Supply Officer
3381 E6 & above
Entry
Entry – OS Wiper SU, Steward Cook, Chief Steward
3381 E1 to E5
Entry
Entry – OS Wiper SU, Assistant Cook, 2nd Cook, Cook Baker
Supply
E6 & above
Entry
Entry – OS Wiper SU, Yeoman Storekeeper, Jr Supply Officer
E5 & above
Entry
Entry – OS Wiper SU, Yeoman Storekeeper
E4 & above
Entry
Entry – OS Wiper SU, Assistant Storekeeper
E3 & above
Entry
Entry – OS Wiper SU
All Other MOS’
Entry
Entry – OS Wiper SU
  UNITED STATES COAST GUARD  
UNITED STATES MILITARY SERVICE
POSSIBLE USCG MMC ENDORSEMENT NEEDED
POSSIBLE MSC JOB
Communications
Information Systems Technician (IST), Electronics Technician (ET) E6 & above
Entry
Entry – OS Wiper SU, 1st Radio Electronics Technician-IAT, Chief Radio Electronics Technician-IAT, Ships Communications Officer-IAM
Information Systems Technician (IST), Electronics Technician (ET) E5
Entry
Entry – OS Wiper SU, 1st Radio Electronic Technician
Information Systems Technician (IST), Electronics Technician (ET) E4
Entry
Entry – OS Wiper SU, 2nd Radio Electronics Technician
Deck
Senior Enlisted Deck Rating, Surface Warfare Officer
Entry, AB, Chief Mate, 2nd & 3rd Mate
Entry – OS Wiper SU, AB, Chief Mate, 2nd & 3rd Mate, Boatswain
Boatswain Mate (BM), Quartermaster (QM)
Entry, AB, 2nd & 3rd Mate
Entry – OS Wiper SU, AB, 2nd & 3rd Mate, Boatswain
Operation Specialist (OS)
Entry, AB
Entry – OS Wiper SU, AB, E5 & above w/10 yr-OPS Chief
Engineering
Engineering Officer
Entry, 1st 2nd & 3rd Mate, Engineering Officer
Entry – OS Wiper SU, 1st 2nd & 3rd Mate, Assistant Engineer
Machinery Technician E6 & above w/180 days on 220′ ship & larger
Entry,1st 2nd & 3rd Mate, Engineering Officer
Entry – OS Wiper SU, 1st 2nd & 3rd Mate, Assistant Engineer
Machinery Technician E5 & above w/180 days on 220′ ship & larger
Entry, Deck Engineer Machinist, Unlicensed Junior Engineer, Refrigeration Engineer, FWOT
Entry – OS Wiper SU, Deck Engineer Machinist, Unlicensed Junior Engineer, Refrigeration Engineer, Engineer Utilityman, Pumpman
Medical
Hospital Corpsman (HM) IDC
Entry, Staff Officer
Entry – OS Wiper SU, Medical Services Officer
Culinary (Food Service Specialist)
E6 & above
Entry
Entry – OS Wiper SU, Steward Cook, Chief Cook, 2nd Cook, Cook Baker, Assistant Cook
E5
Entry
Entry – OS Wiper SU, Chief Cook, 2nd Cook, Cook Baker, Assistant Cook
E4 & above
Entry
Entry – OS Wiper SU, 2nd Cook, Assistant Cook
E3 & below
Entry
Entry – OS Wiper SU, Assistant Cook
  UNITED STATES NAVY  
UNITED STATES MILITARY SERVICE
POSSIBLE USCG MMC ENDORSEMENT NEEDED
POSSIBLE MSC JOB
No Rating
No Rating
Entry
Entry – OS Wiper SU, Supply Utilityman
No Rating w/Votec Engineering Class
Entry
Entry – OS Wiper SU, Supply Utilityman, Wiper, Deck Engineer Machinist Apprentice
Deck Department
Senior Enlisted Deck Rating, Surface Warfare Officer
Entry, AB, Chief Mate, 2nd & 3rd Mate
Entry – OS Wiper SU, AB, Chief Mate, 2nd & 3rd Mate, Boatswain
Boatswain Mate (BM)
Entry, AB, 2nd & 3rd Mate
Entry – OS Wiper SU, AB, 2nd & 3rd Mate, Boatswain
Operation Specialist (OS)
Entry, AB
Entry – OS Wiper SU, AB, E5 & above w/10 yr-OPS Chief
Engineer Ratings
Senior Enlisted, Surface Warfare Officer
Entry, 1st 2nd & 3rd Mate, Engineering Officer
Entry – OS, Wiper SU, 1st 2nd & 3rd Mate, Assistant Engineer
Hull Maintenance Technician (HT)
Entry, FWOT, Unlicensed Junior Engineer
Entry – OS Wiper SU, Engine Utility, Unlicensed Junior Engineer
Damage Controlman (DC)
Entry, FWOT, Unlicensed Junior Engineer
Entry – OS Wiper SU, Engine Utility, Unlicensed Junior Engineer
Gas Systems Maintenance (GSM)
Entry, Unlicensed Junior Engineer, Electrician, 2nd & 3rd Engineer
Entry – OS Wiper SU, Unlicensed Junior Engineer, Electrician, 2nd Electrician, Electronics, 2nd & 3rd Engineer
Electricians Mate (EM)
Entry, Unlicensed Junior Engineer, Electrician, Refrigeration Engineer
Entry – OS Wiper SU, Unlicensed Junior Engineer, Electrician, 2nd Electrician, Electronics
Gas Systems Electric (GSE)
Entry, Unlicensed Junior Engineer, Electrician
Entry – OS Wiper SU, Unlicensed Junior Engineer, Electrician, 2nd Electrician, Electronics
Machinist Mate A Gang (MM)
Entry, FWOT, Deck, Machinist, Unlicensed Junior Engineer, Electrician, Refrigeration Engineer
Entry – OS Wiper SU, Deck Engineer Machinist, Unlicensed Junior Engineer, Refrigeration Engineer, Engine Utilityman, Pumpman
Machinist Mate Engine (MM)
Entry, FWOT, Deck Engineer Machinist, Unlicensed Junior Engineer, 2nd & 3rd Engineer
Entry – OS Wiper SU, Engine Utilityman, Refrigeration Engineer, Deck Engineer Machinist, Pumpman
Boiler Technician (BT)
Entry, FWOT, Unlicensed Junior Engineer
Entry – OS Wiper SU, Engine Utilityman, Unlicensed Junior Engineer
Machinery Repairman (MR)
Entry, FWOT, Unlicensed Junior Engineer, Deck Engineer Machinist, Pumpman
Entry – OS Wiper SU, Engine Utilityman, Unlicensed Junior Engineer, Deck Engineer Machinist
Electronics Technician (ET)
Entry
Entry – OS Wiper SU, Radio Electronics Technician 2
Interior Communications
Entry, QMED, Assistant Engineer
Entry – OS Wiper SU, Electronics Technician, Assistant Engineer
Culinary
Culinary and Mess Specialist (CS) & (MS)
N/A
Entry – OS Wiper SU
E6 & above
Entry
Entry – OS Wiper SU, Steward Cook, Chief Cook, 2nd Cook, Cook Baker, Assistant Cook
E5
Entry
Entry – OS Wiper SU, Chief Cook, 2nd Cook, Cook Baker, Assistant Cook
E4 & above
Entry
Entry – OS Wiper SU, 2nd Cook, Assistant Cook
E3 & below
Entry
Entry – OS Wiper SU, Assistant Cook
Supply
Logistics Specialist (LS), Storekeeper (SK), Aviation Storekeeper (AK), E5 & above
Entry
Entry – OS Wiper SU, Supply Officer, Jr Supply Officer, Yeoman Storekeeper, Assistant Storekeeper
Logistics Specialist (LS), Storekeeper (SK), Aviation Storekeeper (AK), E4 & below
Entry
Entry – OS Wiper SU, Assistant Storekeeper
Medical
Hospital Corpsman (HM) (IDC), E6 & above
Entry, Staff Officer
Entry – OS Wiper SU, Medical Services Officer
Electronics
Electronics (ET)
Entry
Entry – OS Wiper SU, 1st Radio Electronics Technician-IAT, Chief Radio Electronics Technician-IAT, Ships Communications Officer-IAM
Aviation Electronics (AE)
Entry
Entry – OS Wiper SU, 2nd Radio Electronics Technician
Communications
Information Systems Technician (IT), E6 & above
Entry
Entry – OS Wiper SU, Chief Radio Electronics Technician
Information Systems Technician (IT), E5 & above
Entry
Entry – OS Wiper SU, 1st Radio Electronic Technician
Information Systems Technician (IT), E4 & above
Entry
Entry – OS Wiper SU, 2nd Radio Electronic Technician