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.
A Joint terminal attack controller (JTAC) is the term used in the United States Armed Forces for a qualified military service member who, from a forward position, directs the action of combat aircraft engaged in close air support and other offensive air operations.