challenge: What are the three principal roles of the Judge Advocate General of the Navy according to the United States Navy Regulations?
  
  A. Staff Assistant in the Office of the Secretary of the Navy, commanding the Office of the Judge Advocate General, and Chief of the Judge Advocate General's Corps
  B. Staff Assistant in the Office of the Secretary of the Navy, Chief of the Judge Advocate General's Corps, and Director of Naval Intelligence
  C. Commanding the Office of the Judge Advocate General, Chief of the Judge Advocate General's Corps, and Inspector General of the Navy
  D. Staff Assistant in the Office of the Secretary of the Navy, commanding the Office of the Judge Advocate General, and Chief of Naval Operations
  Answer: 