To
From
Federal Communications Commission Six Month Service Endorsement 45 L Street NE Washington DC 20554 https://www.fcc.gov/about/overview
A Six Month Service Endorsement must be obtained by any holder of a T, T1 or T2 who wishes to serve as the sole radio operator on board a large U.S. cargo ship sailing on the high seas. Six Month Service Endorsement Website
Oral or Written Exam Required? Yes This certification is related to military occupational specialties.Read more about certifications related to military occupations.