Was a merchant marine serving as a crewmember of a vessel that was:
operated by the War Shipping Administration or the Office of Defense Transportation (or an agent of the Administration op Office);
operated in waters other than inland waters, the great Lakes, and other lakes, bays, and harbors of the United States;
under contract or charter to, or property of, the Government of the United States; and
served the Armed Forces.
While serving, was licensed or otheruise documented for service as a crewmember of such a vessel by an officer or employee of the United States authorized to license or document the person for such service.