Noun. 1. vas deferens-a duct that carries spermatozoa from the epididymis to the ejaculatory duct. ductus deferens.
Judge Advocate General of the Navy. The Judge Advocate General of the Navy (JAG) is the highest-ranking uniformed lawyer in the United States Department of the Navy. The Judge Advocate General is the principal advisor to the Secretary of the Navy and the Chief of Naval Operations on legal matters pertaining to the Navy.
The Navy is a warfighting force governed by title ten of the U.S. Code and is part of the department of defense. The mission of the U.S. Navy is to maintain, train, and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas.