| Aspect | Military Sealift | Merchant Marine |
|---|
| Credentials | STCW certifications, Merchant Mariner Credential (MMC) | STCW certifications, MMC |
| Work Environment | Government-owned ships, military support roles | Commercial ships, cargo and passenger transport |
| Employer & Industry | U.S. Navy, Department of Defense | Private shipping companies, commercial industry |
Both Military Sealift and Merchant Marine personnel hold similar certifications and work on ships that require maritime credentials. However, Military Sealift operates primarily for government and military support, while Merchant Marine workers are employed by private companies in commercial shipping. Understanding these differences helps clarify career paths and employment opportunities in maritime industries.