U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


  1. Home
  2. Courses
  3. CLC 038

White graduation cap icon CLC 038  Intro: World of Ocean Trans & Cargo Preference

Intro: World of Ocean Trans & Cargo Preference

This interactive Online Training (OLT) micro-course provides important background on the essential nature of maintaining a U.S.-flag merchant fleet. It also provides a brief overview of the U.S.-flag cargo vessel use requirements and their legal and regulatory foundation.





Contracting officers charged with DFARS contract clause management and others interested in regulations pertaining to the transport of cargo by sea.


  • This is the introductory course and supports CLC 049, CLC 053, and CLC 068. Completion of this course is recommended prior to registering for any of the other three courses.
  • Any exams in this course must be passed with a minimum score of 80%.
  • There is no time limit for completing this course.
  • After completing the course, please be sure to complete the survey at the end.
  • Since this course is less than 30 min, no CLPs are assigned. To receive CLP credit, students should bundle the completion of this and similar courses together and apply to their supervisor for CLP approval.